Question 1 :
Match Column-I with Column-II and select the correct answer from the codes given below.<br> <table><tr><th>Column-I </th><th>Column-II</th></tr><tr><td>A.Trichoderma</td><td>(i)Nitrification </td></tr><tr><td>B.Streptomyces</td><td>(ii)Biocontrol agent</td></tr><tr><td>C.Nitrosomonas</td><td>(iii)Lacticacid </td></tr> <tr><td>D.Lactobacillus</td><td>(iv)Source of antibiotic</td></tr></table>
Question 2 :
Mass of living matter at a trophic level in an area at any time is called
Question 4 :
The given figure shows the regions of root tip with labelling as {tex} \mathrm { A } , \mathrm { B } {/tex} and {tex} \mathrm { C } {/tex}. Choose the option which shows the correct labelling of {tex} \mathrm { A } , \mathrm { B } {/tex} and {tex} \mathrm { C } {/tex}.<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5f04253bdb8ffd11230390e9"><br>
Question 6 :
The sensation of fatigue in the muscles after prolonged strenuous physical work, is caused by
Question 7 :
DNA or RNA segment tagged with a radioactive molecule is called
Question 9 :
Which of the following pairs of the cell structures are important for determining the movement of molecules in or out of the plant cell?
Question 10 :
Two microbes found to be very useful in genetic engineering are
Question 12 :
The enzyme required for the conduction of nerve impulse across synapse is:
Question 15 :
Which one of the following is not included under in-situ conservation?
Question 19 :
Cell elongation in internodal regions of the green plants takes place due to
Question 21 :
The joint in our neck which allows us to rotate our head left to right is
Question 24 :
The linking of antibiotic resistance gene with the plasmid vector became possible with
Question 25 :
External gills, tracheae, and lungs all share which of the following sets of characteristics?
Question 27 :
The animal husbandry deals with the care, breeding and management of
Question 28 :
Major part of the organic matter in the sewage water is decomposed in:-
Question 30 :
In a fertilized ovule, {tex} n , 2 n {/tex} and {tex} 3 n {/tex} conditions occur respectively in
Question 32 :
Match the source gland with respective hormone as well as the function correctly.
Question 33 :
A plant tissue when stained showed the presence of hemicellulose and pectin in cells wall of its cells. The tissue is called
Question 34 :
The reaction rate of salivary amylase on starch decreases as the concentration of chloride ions is reduced. Which of the following describes the role of the chloride ions?
Question 36 :
Which of the following is considered a hot-spot of biodiversity in India?
Question 37 :
Muscle A and muscle B are the same size, but muscle A is capable of much finer control than muscle B. Which one of the following is likely to be true of muscle A?
Question 38 :
'Bundle of His' is a part of which one of the following organs in humans?
Question 39 :
Which one of the following techniques made it possible to genetically engineer living organism?
Question 42 :
Reproductive health in society can be improved by - <br>(i) Introduction of sex education in schools.<br> (ii) Increased medical assistance.<br> (iii) Awareness about contraception and STDs. <br>(iv) Equal opportunities to male and female child. <br>(v) Ban on aminocentesis.<br> (vi) Encouraging myths and misconceptions.
Question 44 :
The technique used for estimation of minute amounts of hormones and drugs is called
Question 47 :
All the following statements are true with regard to Km value, except:
Question 49 :
Which hormone interacts with the membrane-bound receptors and does not normally enter the target cell?
Question 50 :
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs just after the formation of zygote. The adult filament of the alga has :- -
Question 52 :
If you examine the reproductive system of a normal human female before she undergoes puberty, which of the following would you not expect to find?
Question 53 :
One gene-one enzyme relationship was established for the first time in
Question 56 :
Which one of the following is acrobic free living nitrogen-fixing bacteria?
Question 57 :
Read the statements and select incorrect one for biodiversity and conservation
Question 58 :
In life cycle of Plasmodium,<br>(i) Infective stage for mosquito - a<br>(ii) Human RBC and liver cells - b<br>(iii) Formation of gametes - c<br>(iv) Formation of gametocytes - d<br>Choose the correct match
Question 59 :
Which of following methods was not used by Mendel in his study of the genetics of the garden pea?
Question 61 :
Homo sapiens arose in Africa and moved across continents and developed into distinct races. This is proved as/by<br>A. Studying the pattern of variations in Y-chromosomes, as it shows uniparental inheritance<br>B. Maximum variations are found in the mitochondrial DNA of Africans<br>C. Maximum variations are found in the mitochondrial DNA of Asians<br>D. Mitochondrial DNA of Africans shows minimum genetic variability
Question 62 :
Which of the following is incorrect w.r.t. animals, their excretory structure, and the type of nitrogenous waste excreted by them? <br>Animals - Excretory Structure - Nitrogenous Waste
Question 64 :
Resistance to jassids in cotton is induced by which morphological or physiological feature of plants?
Question 66 :
The diagram below shows some biochemical pathways in a liver cell. Some of the points where hormones affect the pathways are labelled 1 to 5 .<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5f042be6642b9f2cba2cff5f"><br>At which numbered points would the hormone insulin accelerate the pathways in the directions indicated?
Question 69 :
The amino acid which has maximum buffering capacity at physiologic pH is:
Question 70 :
In which of the following, the genus name, its two characters and its phylum are correctly matched?
Question 71 :
Chosse the correct combinations<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5f04379a6fa70c0ab9d0af8c"><br>I. Hypogynous flower <br>II. Perigynous flower <br>III. Epigynous flower
Question 72 :
When a person is running up the stairs, he experiences sweating, increased heart rate, respiration and cardiac output etc. This is due to<br>A. Stimulation of sympathetic nervous system.<br>B. Release of catecholamines.<br>C. Release of adrenal medullary hormones epinephrine and nor-epinephrine.<br>D. Stimulation of vagus nerve.<br>Choose the correct option
Question 73 :
Match the following (Column-I with Column-II) <br><table><tr><td>Column I</td><td>Column II</td></tr><tr><td>a. Macrophylls</td><td>i. Selaginella</td></tr><tr><td>b. Microphylls</td><td>ii. Dryopteris</td></tr><tr><td>c. Protonema stage</td><td>iii. Marchantia</td></tr><tr><td>d. Gemma cup</td><td>iv. Funaria</td></tr></table>
Question 74 :
Match the following:<br><table><tr><td>Column I</td><td>Column II</td></tr><tr><td>a. Phenylketonuria</td><td>i. Many loops on finger tips</td></tr><tr><td>b. Down's syndrome</td><td>ii. Rudimentary ovaries</td></tr><tr><td>c. Klinefelter's syndrome </td><td>iii. Inborn error of metabolism</td></tr><tr><td>d. Turner's syndrome</td><td>iv. Gynecomastia</td></tr></table>
Question 78 :
A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is
Question 79 :
Which one of the following characters is not typical of the class Mammalia?
Question 80 :
Select correct statements w.r.t. the given diagram. <br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5aa2fedbe001d16016de5171"><br>a. Cell B has lower ψ<sub>W</sub><br>b. Kinetic energy of free water molecules of cell
A > C.<br> c. ψ<sub>s</sub> of cell C is lower than A and B.<br>d. Direction of osmosis in cells from A → B → C.
Question 81 :
Consider the following statements: <br>1. All existing life forms share similarities to varying degrees and also may share common ancestors <br>2. Geological history of earth closely correlates with the biological history of earth <br>3. Tyrannosaurus was the largest herbivore dinosaur <br>4. Evolution of DDT resistant mosquitoes is an example of evolution by anthropogenic action. <br><br>
Question 84 :
Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5f0430a08f2f56117bb93296"><br>
Question 86 :
Human insulin is being commercially produced from a transgenic species of
Question 90 :
Himg style='object-fit:contain'iri developed by hybridization and selection for disease resistance against rust pathogens is a variety of
Question 93 :
Among trypsin, rennin, amylase, carboxypeptidase, erepsin, sucrase, nuclease, lactase, nucleotidase and dipeptidase, how many of them are brush border enzymes?
Question 94 :
Match Column-I with Column-II and select the correct option from the codes given below.<br>{tex} \begin{array} { l l l l } & \text { Column-I } & & \text { Column-II } \\ \text { A. } & \text { Disintegration of } & \text { (i) } & \text { Anaphase } \\ & \text { nuclear membrane } & & \\ \text { B. } & \text { Appearance of } & \text { (ii) } & \text { Prophase } \\ & \text { nucleolus } & & \\ \text { C } & \text { Division of } & \text { (iii) } & \text { Telophase } \\ & \text { centromere } & & \\ \text { D. } & \text { Replication of DNA } & \text { (iv) } & \text { S-phase } \end{array} {/tex}<br>
Question 95 :
Following is a graphic representation of ovarian and menstrual cycle. Study the graph and mark the statement which is incorrect interpretation of graphics. <br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5aa2fedbe001d16016de5173"><br>A. In the midcycle positive feedback effect of progesterone on pituitary increases LH secretion<br>B. In follicular phase estrogen regenerates the endometrium of uterus through proliferation.<br>C. Ovarian cycle is regulated by hormones<br>produced by corpus luteum.<br>D. HCG stimulates the formation of corpus luteum and also stimulates it to release progesterone and estrogen in the cycle.<br>E. Progesterone is essential for maintenance of endometrium in luteal phase.<br>F. Negative feedback mechanism of progesterone and estrogen decrease the secretion of LH and FSH during luteal phase.
Question 96 :
What happens during fertilisation in humans after many sperms reach close to the ovum?
Question 97 :
The diagram illustrated below depicts the reabsorption and secretion of major substances at different parts of the nephron marked P, Q, R, S and T. <br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5aa2fedbe001d16016de517b"><br>Mark the incorrect statement
Question 98 :
The sudden surge of which of the following hormone can decrease the blood sugar level?
Question 100 :
A cricket player is fast chasing a ball in the field. Which one of the following groups of bones is directly contributing in this movement?
Question 102 :
How many of the given features are associated with keys?<br>Couplet, Quick referral system, Ex-situ conservation, Analytics, Preservation of specimen, Lead
Question 104 :
Assertion :- Australopithecus stood erect first and lived in East African grassland.
Reason :- Australopithecus used fire for the first time.
Question 106 :
Synthesis of human insulin in E.coli cells is the best evidence for
Question 107 :
Which of the following options gives the correct sequence of events during mitosis ?
Question 108 :
Which one of the following depresses brain activity and produced feelings of calmness, relaxation and drowsiness?
Question 109 :
Match the following and choose the correct set<br><table><tr><td>Column I</td><td>Column II</td></tr><tr><td>A) Barriers</td><td>i. most preferred in India</td></tr><tr><td>B) IUDS</td><td>ii. prevent ovulation</td></tr><tr><td>C) OCPS</td><td>iii. Inserted into female reproductive tract to cover cervix</td></tr><tr><td>D) Natural</td><td>iv. Higher risk of failure</td></tr><tr><td> </td><td>v. Protection against STDs</td></tr></table>
Question 110 :
Fill in the blank. <br> A .......... is a unit of land with a natural boundary having a mosaic of patches. There patches generally represent different ...........
Question 111 :
Choose the correct option from the following table<br><table><tr><td>Column I</td><td>Column II</td><td>Column III</td></tr><tr><td>1. Carboxy Peptidase</td><td>a Pancreatic amylase</td><td>i Monoglyceride</td><td>Column III</td></tr><tr><td>2 Starch</td><td>b Protein</td><td>ii Nucleotides</td></tr><tr><td>3 Fat</td><td>c Lipases</td><td>iii Disacharides</td></tr><tr><td>4 Nucleic acid</td><td>d Nucleases</td><td>iv Dipeptides</td></tr></table>
Question 112 :
Mark correct statements :-<br>(A) Tight junction facilitate to communicance cells with each other. <br>B) Columnar cells are found in the inner lining of stomach.<br>(C) Ciliated epithelium is present in the inner<br>(D) Compound epithelium has limited role in secretion.
Question 113 :
Which of the following method can be termed as vectorless approach to introduce foreign DNA into host cells
(A)Microinjection
(B) Biolistics
(C) Bacterial Artifical chromosome
Question 115 :
Identify the given diagram A,B and C for phylum :<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5b2bd8a66c1a9d07c811e061">
Question 116 :
The process of evolution of different species in a given geographical area starting from a point and literally radiating to other area of geography is called
Question 117 :
Enzyme which catalyse transfer of H group between a pair of substrate belongs to ?
Question 120 :
In the diagram of human heart shown below different parts are indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with their parts <br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ae0287c6daa590705ad35c5">
Question 121 :
Despite high level of heterozygosity, the progeny derived from seed of a cross pollinated plant was found to be completely uniform. One reason for this may be the phenomenon of
Question 123 :
Study the following table<br><table><tr><td>Feature</td><td>Class</td><td>Example</td></tr><tr><td>A) Placoid scales</td><td>Chondrichthys</td><td>Exocoetus</td></tr><tr><td>B) Jacobson's organs</td><td>Reptilia</td><td>Calotes</td></tr><tr><td>C) Metagenesis</td><td>Arthropoda</td><td>Periplanata</td></tr><tr><td>D) Homeothermy</td><td>Aves</td><td>Aptenodytes</td></tr></table><br>Among the above the correct combinations are
Question 124 :
Synthesis of human insulin in E.coli cells is the best evidence for
Question 125 :
A colour blind man whose father was normal, marries a normal women whose father was colourblind. What percentage of children are likely to be colour blind?
Question 128 :
Accumulation of toxic substance in successive trophic level in food chain is known as :-
Question 129 :
In lac operon, which of the following gene functions as constitutive gene and its product is available continuously?
Question 130 :
Which of the following hormone is secreted by gastric gland and hypothalamus as well as pancreas
Question 131 :
How many statements are true among following?
(A) Axillary buds of stems may get modified into woody straight and pointed thorns, such as in citrus and Opuntia.
(B) Leaves are often modified to perform functions other than photosynthesis such as in pea and onion.
(C) Solanaceae, liliaceae and fabaceae have hypogynous flower.
(D) Members of family Brassicaceae have actinomorphic bisexual flower with bicarpalary syncarpus gynoecium
Question 132 :
Good vision depends on adequate intake of carotene rich food.<br>Select the best option from the following statements :<br>(i) Vitamin A derivatives are formed from carotene<br>(ii) The photopigments are embedded in the membrane discs of the inner segment<br>(iii) Retinal is a derivative of VitaminA <br>(iv) Retinal is a light absorbing part of all the visual photopigments <br>Options :
Question 133 :
Due to efforts of Mr. Ramdeo Misra, the government of India established the.....(1972) which in later years, paved the way for the establishment of the Ministry of environment and forests (1984) :-
Question 136 :
The final proof for DNA as the genetic material came from the experiments of :
Question 137 :
Duck billed platypus differs from kangaroo in that, Duck billed platypus
Question 138 :
Below diagram showing the transport of molecules across the cell membrane. Choose the correct combination of labeling for A, B, C and D from the following<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5b29767135e93a2c2bb471f5">
Question 141 :
When the largest posterior petal overlaps the two lateral petals which in turn overlap the two smallest anterior petals, this type of aestivation is known as :-
Question 144 :
Read the following statements:<br>I. The cyclical changes in the ovary and uterus during menstrual cycle are induced by changes in the levels of Pituitary and Ovarian hormones<br>II. Trophoblast is the outer layer of Blastocyst that is formed by blastomeres<br>III. The first moments of the foetus and appearance of hair on the head are usually observed during 5th month of pregnancy<br>The correct statement(s) is/are:
Question 147 :
Which one of the following option gives the correct categorisation of hormone according to their action :-
A- Diabetogenic
B- Immunity
C- Erythropoisis
Question 148 :
Which of the following scientist is not concerned with experiments involving O<sub>2</sub> release from water during photosynthesis?