A fruit has fleshy mesocarp and stony endocarp is (A) Pome (B) Berry (C) Pepo (D) Drupe
1 Answer A drop in temperature does affect spermatogenesis. Reason: during the temperature drop the smooth muscle contracts and brings the testes closer to the pelvic cavity. A. Both assertion and reason are correct and the reason is the correct explanation for the assertion. B. Both assertions and the reason are correct but the reason is not the correct explanation for the assertion. C. The assertion is correct but the reason is incorrect. D. Both assertion and reason are incorrect.
1 Answer (a) Draw a labelled diagram of the human heart. (b) What is the use of platelets in the maintenance of human beings? (c) Which respiratory pigment is found in red blood corpuscles found in human blood?
1 Answer A common cloacal aperture is found in (A) Rana (B) Nereis (C) Rabbit (D) Pheretima
1 Answer 70S type of ribosomes are found in A. Prokaryotic cells B. Prokaryotic cells and chloroplast C. Mitochondria D. Nucleus mitochondria
1 Answer About how much saliva does a person produce in an entire day? A. 100 ml B. 250 ml C. 500 ml D. 1500 ml
1 Answer After ovulation in a female mammal, the structure which is formed by the ruptured follicle is A. Corpus Luteum B. Graafian follicle C. Placenta D. Epididymis
1 Answer A condition in which the body’s internal environment remains relatively constant within limits is (a) Hematoma (b) Haemopoiesis (c) Homeostasis (d) Hemostasis
1 Answer A glass dome covering an area of 3.5 acres with 4000 representatives of most ecosystems and eight human beings in order to prepare a prototype of a space colony is A. Glass house B. Phytotron C. Biosphere 1 D. Biosphere 2
1 Answer Agar-agar commonly used in bacterial cultures and medication is obtained from A. Sargassum B. Gelidium C. Ulothrix D. Ulva
1 Answer 
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