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 A component of the cytoskeleton is A. Microtubule B. Bone C. Chitin D. Cartilage
1 Answer Abscisic acid causes A. Faster leaf fall B. Dormancy of buds and seeds C. Retardation of growth D. All of the above
1 Answer How are sieve tubes different from sieve cells? A. Being shorter B. Being dead C. Lacking Nuclei D. Having sieve pores at end walls
1 Answer Arrange the following in a logical sequence. Renal veins Renal arteries afferent arteriole Efferent arteriole Glomerulus (pathway of blood through the glomerulus).
1 Answer What are beta cells of pancreas?
1 Answer
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
Sourav Pan
BNO Team