Question 2 :
The prediction of sequence of amino acid is A if the sequence of nucleotides mRNA is known. The prediction of sequence of nucleotide is concerned mRNA is B because the genetic code is C.
Question 3 :
ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible?
Question 6 :
A marsupial evolved from ancestral stock, but all within Australian continent. This represents
Question 7 : <p>Which one of the following amino acid was not found to be synthesized in Miller’s experiment?</p>
Question 9 : <p>Which of the following fossil man is named as handy man?</p>
Question 10 :
In a given plant, red colour (R) of fruits is dominant over white fruit (r) and tallness (T) is dominant over dwarfness (t). if a plant with genotype RRTt is crossed with a plant of genotype rrtt, what will be the percentage of tall plants with red fruits in the next generation?
Question 11 :
<strong>Assertion</strong> : Kinetochore helps in the movement of chromosomes.<br /><strong>Reason</strong> : It has points for attachment of microtubules.
Question 13 : <p>In a family, man have blood group-A and women have blood group-B. Blood group of their children will be</p>
Question 14 :
Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of
Question 16 :
Which of the following statements about the Hershey - Chase experiment is false?
Question 17 :
Assertion : Holandric genes are found on Y chromosome.<br>Reason : Inheritance of Holandric genes are always from father to son.
Question 19 :
Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that:
Question 20 :
How many of the following statements are correct? <br>(A) In heterozygous condition, if dominant allele produce a normal enzyme, then recessive allele can produce a less efficient enzyme.<br>(B) Genotype is an allelic arrangement in a gene.<br>(C) Inheritance of flower colours in Snapdragon is an example of co-dominance.<br>(D) In ABO blood group system, an individual possess 3 alleles.
Question 21 : <p>Vestigial organs present in an adult individual are examples of …………. Basis of evidence of evolution.</p>
Question 24 : <p>Which one of the following features occurs in the direction of the evolution for human species?</p>
Question 25 : <p>Which of the following statement describes that natural selection is not analogous to artificial selection</p>
Question 26 : <p>On selfing RrTt, we produce 400 plants, find out number of plants with genotype RrTt.</p>
Question 27 :
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed
Question 28 :
Which one of the following is an incorrect statement regarding mutations?
Question 29 : <p>Percentage of homology in the haemoglobin of man and gorilla is</p>
Question 30 :
A baby has been born with a small tail. It is case exhibiting:
Question 31 :
Which of the following statements is false? <br>I. The rules of embryonic development were given by Von Baer. <br>II. Recapitulation theory was proposed by Haeckel: <br>III. Haeckel's theory of recapitulation states that ontogeny repeats phylogeny. <br>IV. Ontogeny recapitulates phylogeny" is the brief definition of Biogenetic law.
Question 32 : <p>The traits which are not expressed due to a particular gene but are expressed by products of sex hormones are</p>
Question 33 :
HbA and HbS alleles of normal and sickle celled RBC are
Question 34 :
Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism{tex}?{/tex}
Question 35 :
Which of the following symbols represents a potential genotype of a standard (nongamete) body cell?
Question 36 :
In a certain plant, yellow fruit colour (Y) is dominant to green (y) and round shape (R) is dominant to oval (r). The two genes involved are located on different chromosomes. <br>Where of the above will result when plant YyRr is backcrossed (testcrossed) with the double recessive parent?
Question 37 : <p>The idea of natural selection as the fundamental process of evolutionary changes was reached</p>
Question 38 :
Two dominant nonallelic genes are 50 map units apart. The linkage is
Question 40 :
In Drosophila, long wing (L) is dominant to dumpy wing (I) and grey body (G) is dominant to ebony body (g). The two genes involved are not on the same chromosome. <br>As a result of interbreeding amongst the members of the F<sub>1</sub> generation, dumpy-winged, grey-bodied files will be present in the F<sub>2</sub> generation in the proportion
Question 43 : Mendel has worked on garden pea. Few traits chosen by Mendel are shown in the diagram. Select the correct statement.<br><img style='object-fit:contain' src='https://storage.googleapis.com/teachmint/question_assets/NEET/5e6db9f8ffcf8f526581cdd2' height='127' width='316' >
Question 44 :
Which of the following statements is correct regarding evolution of mankind?
Question 45 :
Choose the correct option:<br />I. Genetic maps are extensively used as starting point inthe sequencing of whole genome as was done in case of the Human genome sequencing project.<br />II. UV-rays can cause mutation in organisms.<br />III. Deletion and insertions of base pairs of DNA causeframe-shift mutations.<br />IV. Mendelian disorders may be dominant or recessive.
Question 46 :
What fraction of offspring of the cross AaBbDdEEFf x AaBBDdEeFf are homozygous for all genes, assuming that they are on different chromosomes?
Question 47 :
If the P allele is incompletely dominant over the p allele, what percentage of the resulting offspring will have the dominant phenotype when Pp and Pp individuals mate?
Question 49 :
A pea plant having violet-coloured flowers with unknown genotype was crossed with a plant having white- coloured flowers. In the progeny, 50% of the flowers were violet and 50% were white. The genotypic constitution of the parent having violet coloured flowers was
Question 51 : <p> <font face="Cambria Math, serif">In a random mating population in equilibrium, which of the following brings about a change in gene frequency in non-directional manner?</font></p>
Question 53 : <p> <font face="Cambria Math, serif">Given diagram shows certain type of traits in human. Which one of the following option could be an example of this pattern?</font></p> <p> <img style='object-fit:contain' align="bottom" src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ff800cdbd5c2b66ba9ee1a0"/> </p> </td> </tr> <tr> <td width="4%"><p> <br/> <br/> </p> </td> <td width="2%"><p> <font face="Cambria, serif">a)</font></p>
Question 54 : <p> <font face="Cambria Math, serif">First autotrophs on the primitive earth was/were</font></p>
Question 55 : <p> <font face="Cambria Math, serif">Linkage groups are always present on the</font></p>
Question 57 : <p>The structure that become double in synthesis phase of cell division is/are</p>
Question 58 : <p> <img style='object-fit:contain' align="absmiddle" src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ff7f24bf055a67f16a227b8"/> <font face="Cambria Math, serif">is a connecting link between</font></p>
Question 59 :
In a cross of red and white flowered snapdragon, F{tex}_1{/tex} plants will have flowers
Question 60 : <p> <font face="Cambria Math, serif">The cranial capacity of Peking man was about</font></p>
Question 62 : <p> <font face="Cambria Math, serif">Frequency of crossing over is …A… in linked gene …B… in unlinked gene.</font></p> <p> <font face="Cambria Math, serif">Choose correct combination for A and B</font></p>
Question 64 : <p>Lung fishes, air breathing animals and corals predominated during the ….. period</p><p>Complete the given statement by choosing an appropriate option</p>
Question 65 : <p> <font face="Cambria Math, serif">In a mutational event, when adenine is replaced by guanine, it is the case of</font></p>
Question 69 :
In humans, the gene for red blood corpuscle shape (alleles elliptical E and normal e) is linked to the gene for Rhesus blood (alleles Rhesus positive R and Rhesus negative r). <br>If crossing over occurs between these two genes, then the two additional types of gametes that could result are
Question 70 : <p> <font face="Cambria Math, serif">In which of the following, there is no defect in the sex chromosome?</font></p>
Question 71 :
A plant with the genotype ss mates with itself and produces all ss offspring. The parental plant is
Question 72 : <p> <font face="Cambria Math, serif">Which of the following evolved first on the primitive earth?</font></p>
Question 74 : <p>A common test to find the genotype of a hybrid is by</p>
Question 76 : <p> <font face="Cambria Math, serif">A condition characterized by not having an exact number of chromosomes in a multiple of haploid set is called</font></p>
Question 78 : <p> <font face="Cambria Math, serif">Which of the following statements is correct?</font></p>
Question 79 : <p> <font face="Cambria Math, serif">Which type of pollination method was adopted by Mendel in his experiment?</font></p>
Question 80 : <p> <font face="Cambria Math, serif">A distinct mechanism that usually involves a short segment of DNA with remarkable capacity to move from one location in a chromosome to another is called</font></p>
