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Sourav PanLv 9
·
02 Oct 2024

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.

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
Sourav PanLv 9
·
02 Oct 2024

(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?

(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
Sourav PanLv 9
·
02 Oct 2024

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

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
Sourav PanLv 9
·
02 Oct 2024

A condition in which the body’s internal environment remains relatively constant within limits is (a) Hematoma (b) Haemopoiesis (c) Homeostasis (d) Hemostasis

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
Sourav PanLv 9
·
02 Oct 2024

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

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
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