| Ques 1 (i) "Pollen grains are well preserved as fossils" because of the presence of sporopollenin" as Statement I: Sporopollenin is the most resistant organic material known
Statement I| : No enzyme that degrades sporopollenin is so far known | (A) Both the Statements | and || are correct |
| Ques 1 (ii) The process of transformation of spermatids into sperms is called | (B) Spermiogenesis |
| Ques 1 (iii) Which one among the following is essential for the maintenance of endometrium and for the implantation of fertilized ovum? | (B) Progesterone |
| Ques 1 (iv) Select the one among the given that is a probable reason for explosive growth of population in India. | (c) Increase in the number of people in reproducible age |
| Ques 1 (v) Which one among the following is a contraceptive method that involves no medicine or device? | (D) Coitus interruptus |
| Ques 1 (vi) Which one among the following ART can be used to rectify if the infertility is due to low sperm count? | (D) IUI |
| Ques 1 (vii) Which one among the given is a symbol used in human pedigree analysis for consanguineous mating? | (B) |
| Ques 1 (viii) Which one among these represent the flow of genetic information? | (C) DNA → mRNA → Protein |
| Ques 1 (ix) If the change in gene frequency occurs by chance, it is called | (D) Genetic Drift |
| Ques 1 (x) Which is the test that can be suggested among the given for a patient with symptoms such as - sustained high fever (39°C - 40°C), weakness, stomach pain, constipation, headache and loss of appetite? | (A) Widal Test |
| Ques 1 (xi) Which among the following is an enzyme modified by genetic engineering and used as "Clot buster"? | (D) Streptokinase |
| Ques 1 (xii) In which method the plant cells are bombarded with high velocity microparticles of gold coated with DNA? | (B) Biolistics |
| Ques 1 (xiii) The use of bioresources by multinational companies and other organisations without proper authorisation and compensatory payment is called as | (C) Biopiracy |
| Ques 1 (xiv) In which of the processes given, the humus is degraded by some microbes and release of inorganic nutrients occur? | (B) Mineralisation |
| Ques 1 (XV) Which one among these is an example for Ex-situ conservation? | (A) Cryopreservation |
| Ques 2 (XVI) Few flowering plants have evolved a special mechanism to produce seeds without fertilization called------ | Apomixis |
| Ques 2 (xvii) Single step large mutation is known as | Saltation |
| Ques 2 (xviii) -----acts on uterine muscle and cause stronger contractions during parturition. | Oxytocin |
| Ques2 (XIX) Members of genus----phosphorous from soil and supply it to the plant form mycorrhiza and absorb | Glomus |
| Ques 2 (xx) The step in which bands of DNA are cutout and extracted from gel piece is termed as---- | Elution |
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