Question 1 :
Assertion : Nerve cells in coelenterata have complete co-ordination in their body.<br>Reason : True nerve cells occur for the first time in coelenterate.
Question 4 :
Which one of the following statements about certain given animals is correct?
Question 5 :
Which one of the following living organisms completely lacks a cell wall?
Question 8 : <p> <font face="Cambria Math, serif">Chlorenchyma is known to develop in the</font></p>
Question 10 : <p> <font face="Cambria Math, serif">Characteristic of coelenterate is occurrence of </font> </p>
Question 11 : <p> <font face="Cambria Math, serif">Analyse the following statements and identify the correct options given below</font></p> <p> <font face="Cambria Math, serif">I. Two kingdom system of classification did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organism and green algae and fungi.</font></p> <p><font face="Cambria Math, serif">II. The two kingdom classification used for a long time was found inadequate</font></p>
Question 12 : <p> <font face="Cambria Math, serif">Choose the correct statement about liverworts</font></p> <p> <font face="Cambria Math, serif">I. In liverworts sexual reproduction occurs by the fusion of antherozoids and egg, which are produced in anthridium and archegonium, respectively</font></p> <p> <font face="Cambria Math, serif">II. Both male and female sex organs may be present on same thalli or different thalli</font></p> <p> <font face="Cambria Math, serif">III. Zygote give rise to sporophyte, which is differentiated into food, seta and capsule</font></p> <p><font face="Cambria Math, serif">IV. Some cells of capsule undergoes meiosis and give rise to haploid spores</font></p>
Question 15 : <p> <font face="Cambria Math, serif"><i>Hydra</i> captures the victim by injecting the chemical </font> </p>
Question 16 :
How many mitotic divisions are needed for a single cell to make 128 cells
Question 17 :
Assertion : Cell wall is not found in animal cell.<br>Reason : Animal cells are covered by cell membrane.
Question 18 : Match column-I (scientists) with column-II (discovery) and select the correct option. <table><tr><td>Column-I</td><td>Column-II</td></tr> <tr><td>A. Leeuwenhoek</td><td>I. First saw and described a living cell</td></tr> <tr><td>B. Robert Brown</td><td>II. Presence of cell wall is unique to plant cells</td></tr> <tr><td>C. Schleiden</td><td>III. Discovered the nucleus</td></tr> <tr><td>D. Schwann</td><td>IV. All plants are composed of different kind of cells</td></tr></table>
Question 19 :
<h1 class="ng-binding" style="font-size: 20px; margin-top: 20px; margin-bottom: 10px; letter-spacing: 0px; font-family: National; line-height: 1.1; color: #121212;">Protein synthesis in an animal cell takes place:</h1>
Question 21 :
{tex} \mathrm {Assertion}{/tex} : The process of pairing of the chromosomes is called synapsis. <br>{tex} \mathrm {Reason}{/tex} : Synapsis occurs during leptotene stage.
Question 26 :
Which of the following types of plastid does not contain stored food material?
Question 30 : <p>Biomolecules are constantly being changed into some other biomolecules and are made from ….</p>
Question 36 :
The four elements that make up 99 {tex} \% {/tex} of all elements found in a living system are
Question 37 : The curve given below shows enzymatic activity in relation to three conditions(pH, temperature and substrate concentration).What do the two axes{tex} ( x {/tex} and {tex} y ) {/tex} represent?<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5d7f6e6ded89a522c5ea11a5"><br>
Question 38 :
Which one of the following is the best stage to observe the shape, size and number of chromosomes in a cell?
Question 39 :
Find the correctly matched pairs and choose the correct option.<br>A. Leptotene - The chromosomes become invisible<br>B. Zygotene - Pairing of homologous chromosomes<br>C. Pachytene - Dissolution of the synaptonemal complex takes place<br>D. Diplotene - Bivalent chromosomes appear as tetrads<br>E. Diakinesis - Terminalization of chiasmata takes place
Question 42 :
The initial source of energy to all the varied forms of life is
Question 43 :
Arrange the following events of meiosis in correct sequence<br>(A) Crossing over<br>(B) Synapsis<br>(C) Terminalisation of chiasmata<br>(D) Disappearance of nucleolus
Question 45 :
An organic substance bound to an enzyme and essential for its activity is called
Question 47 :
Go through the following events - <br>I. Termanization of chiasmata occurs <br>II. Chromosomes are fully condensed <br>III. Meiotic spindle is assembled <br>IV. By the end NM and nucleolus disappear <br>The above points indicate that it is
Question 48 :
Cyclin is associated with which one of the following.<br>Or<br>Diploid living organism develops from zygote by repeated cell divisions is called
Question 49 : Match the following column I with column II. <table><th>Column -I</th><th>Column-II</th> <tr><td>A. carcinogen</td><td>I. Tumour</td></tr> <tr><td>B. Anaphase-I</td><td>II. Disjunction</td></tr> <tr><td>C. mitosis</td><td>III. Synapse</td></tr> <tr><td>D. Zygotene</td><td>IV. Plactonemic coiling</td></tr></table>
Question 56 : <p>What type of cell division takes place in the functional megaspore initially in angiosperms?</p>
Question 58 :
The two sub-units of ribosome remain united at a critical ion level of
Question 59 :
At which stage of meiosis does the genetic constitution of gametes is finally decided?
Question 61 :
The major role of minor elements inside living organisms is to act as
Question 63 :
Assertion : Mitosis maintains the genetic similarity of somatic cells./<br>Reason : Chromosomes do not undergo crossing over.
Question 64 :
Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle ?
Question 66 :
FAD or FMN is a coenzyme. Which vitamin is incorporated into its structure
Question 67 : <p>Which of the following is not a characteristic of prokaryotic cells?</p>
Question 72 : <p> <font face="Cambria Math, serif">The following diagram shows some of the missing structures in a plant cell (A-E). Identify the structures</font></p> <p> <img style='object-fit:contain' align="bottom" src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ff7ef66f055a67f16a2254a"/> </p> </td> </tr> <tr> <td width="4%"><p> <br/> <br/> </p> </td> <td width="2%"><p> <font face="Cambria, serif">a)</font></p>
Question 73 : <p> <font face="Cambria Math, serif">Which of the following serves as mitotic spindle poison?</font></p>
Question 74 : <p> <font face="Cambria Math, serif">Ribosomes are particles about 200Å units in diameter consisting of protein and RNA. The percentage of protein and RNA respectively is</font></p>
Question 75 : <p>During replication of DNA, Okazaki fragments are formed in the direction of</p>
Question 78 :
Which is true about heat wood/Duramen? <br>(i) It does not help in water + mineral conduction <br>(ii) It is dark coloured but soft <br>(iii) It has tracheary elements filled with tannins, resins, <br>gums, oil etc. <br>(iv) It is a peripheral part <br>(v) Sensitive to microbes + insects, hence least durable
Question 80 :
{tex}\mathrm{Assertion (A)}:{/tex} Cartilage and bone are flexible and rigid connective tissues, respectively.<br>{tex}\mathrm{Reason (R)}:{/tex} Blood is connective tissue.
Question 83 :
{tex} \mathrm{Assertion}{/tex}: Growth rings are also called as annual rings. <br>{tex} \mathrm{Reason}{/tex}: Generally growth ring is formed in each year.
Question 84 :
The inability to absorb digested nutrients may be due to damage of which type of epithelium?
Question 86 :
{tex}\mathrm{Assertion (A)}:{/tex} The development in cockroach is heterometabolous metamorphosis. <br>{tex}\mathrm{Reason (R)}:{/tex} The young ones resemble the adults in all stages.
Question 88 :
Which of the following statement is false about the compound epithelium ?<br>I. It consists of several layers <br>II. It covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and pancreatic ducts <br>III. It provides protection against chemical and mechanical stresses <br>IV. Being multilayered it has a great role in secretion and absorption
Question 90 : <p>You are required to draw blood from patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes, which of them will you not use for the purpose? </p>
Question 91 :
Assertion : Fibroblasts help in protection. <br>Reason : Fibroblasts synthesize two kinds of protein which are protective in nature.
Question 93 :
Which one of the following is the true description about an animal concerned?
Question 94 :
Frog shows sexual dimorphism. Male frog can be distinguished from female one in having
Question 95 :
Which of the following is incorrect about the portal venous system?
Question 97 : <p> <font face="Cambria Math, serif">Which of the following has a triple helix structure?</font></p>
Question 98 : <p> <font face="Cambria Math, serif">Which one of the following mammalian cells is not capable of metabolizing glucose to carbon dioxide aerobically?</font></p>
Question 99 : <p> <font face="Cambria Math, serif">During aestivation and hibernation of frog gaseous exchange takes place through the</font></p>
Question 100 : <p> <font face="Cambria Math, serif">In frog, for the digestion of food, wall of the stomach secretes</font></p>
Question 101 : <p> <font face="Cambria Math, serif">In water, the skin of the frog performs the function of</font></p>
Question 102 :
Assertion : Lining of some hollow organs & cavities are moist. <br>Reason : This is because of the mucus secreted by the connective tissue.
