Life Sciences Test 2
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Life Sciences Test 2
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25 Questions

1. The active rolling over of endodermal and mesodermal cells from the embryo surface into the interior is defined as
2. Stomatal pores bounded by a single ring-shaped guard cells are found in
3. Two species of mice will be called congenic, if they are
4. Male gametes or sperms are developed from generative cells by
5. Viper venom affects
6. The contraction and relaxation phases of a muscle constitute
7. Tendons and ligaments belong to tissues
8. In human beings, partial pressure of carbon dioxide in the inspired and expired air is, respectively
9. ‘Pollen grains embryo sacs' were first observed in
10. A person with blood group A has
11. Which branch study about remains of plant life?
12. The infective stage of Entamoeba histolytica is
13. Formation of a new species from a segment of population due to genetic changes is
14. Camouflage of Chameleon is associated with
15. The gonotheca together with the blastocyst and gonophores of medusae are referred to as the
16. The arrangement of leaves in a pattern that minimizes overlapping or shading but maximizes leaf exposure to light is called
17. Sympatric speciation occurs due to
18. Which will form a new species from the following?
19. A species that is capable of showing subvarieties, race or demes is
20. The sum total of all population of the same kind of organisms constitute
21. Intercellular matrix will be minimum in
22. In frogs, oviduct is formed by
23. Membrane lining the marrow cavity is
24. Which one of the following is responsible for healing the wounds in plants?
25. Correct order of ear ossicles in rabbit is