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FACULTY RECRUITMENT TEST CATEGORY-D

Formal School Education/IX, X / NSEJS/NTSE/ Foundation for KVPY, Senior Olympiads, JEE Main & JEE Advanced

BIOLOGY

PAPER A Time: 60 Minutes. Maximum Marks: 40

Name: ........................................................................................................

Subject: .....................................................................................................

Marks:

Instructions:

Attempt all questions.

This question paper has two Parts I and II. Each question of Part I carries 2 mark and of Part II carries 4 marks.

PART I Short Answer Type Questions

1. Cell is an open system. Comment.

2. Write two differences between parthenogenesis and parthenocarpy in plants.

3. What is the symmetry in Bipinnaria larva?

4. Name the two semi-dwarf varieties of wheat introduced into all wheat growing places of India.

5. Give two differences between frog and toad.

6. Name any two hormones whose over secretion leads to osteroporosis.

7. Why is the AV Node essential for conduction of cardiac impulses?

8. Which gases were absent from secondary atmosphere during organic evolution?

9. Why is Kreb cycle considered as a amphibolic pathway?

10. An mRNA strand has a series of codons out of which three are given below: (i) AUG (ii) UUU (iii) UAG (a) What will these DNA codons be translated into? (b) What are the DNA codons that would have transcribed these RNA codons? PART II

Long Answer Type Questions

11. Trace the events that would take place in a flower from the time the pollen grain of the same species falls on the stigma upto the completion of fertilization.

12. Define biogeography. How do Darwins finches provide the biogeographical evidence in favour of evolution?

13. What is clonal selection? Which organ is referred as Training School of Lymphocytes.

14. What is altruism? How does natural selection favours altruistic behaviour?

15. What is Punctuated Equilibrium?