General Knowledge
BIOLOGY MCQs
Total Questions : 1207
| Page 6 of 121 pages
Answer: Option D. -> Numerous
The biological parameters, which included cell width, cell length, number of chloroplast spirals, and number of pyrenoids, ranged from 40 to 90 μm, 85 to 263 μm, 5.5 to 16 spiral, and 50 to 240 pyrenoids, respectively.
The biological parameters, which included cell width, cell length, number of chloroplast spirals, and number of pyrenoids, ranged from 40 to 90 μm, 85 to 263 μm, 5.5 to 16 spiral, and 50 to 240 pyrenoids, respectively.
Answer: Option D. -> All of the above
Algae, Amoeba and Paramaecium all are single celled organism.
Algae, Amoeba and Paramaecium all are single celled organism.
Answer: Option A. -> Ammonic compounds
Chlamydomonas is widely distributed in freshwater or damp soil. It is generally found in a habitat rich in ammonium salt.
Chlamydomonas is widely distributed in freshwater or damp soil. It is generally found in a habitat rich in ammonium salt.
Answer: Option C. -> Both (a) and (b) both
Microscopic organism which passively float on the surface of water is called Zooplanktons and Phytoplanktons.
Microscopic organism which passively float on the surface of water is called Zooplanktons and Phytoplanktons.
Answer: Option D. -> Nostoc
Penicillium and Agaricus are fungi while Volvox is an alga. All three are eukaryotes thus have a membrane bound nucleus. Nostoc is a cyanobacterium, i.e., prokaryote, so it lacks true nucleus, thus nuclear membrane is absent.
Penicillium and Agaricus are fungi while Volvox is an alga. All three are eukaryotes thus have a membrane bound nucleus. Nostoc is a cyanobacterium, i.e., prokaryote, so it lacks true nucleus, thus nuclear membrane is absent.
Answer: Option D. -> Testes
The structure on top of the seminiferous tubules in the testes is the epididymis. The sperm migrate from of the seminiferous tubules to the epididymis. Within the epididymis, the sperm mature while they are stored in this structure.
The structure on top of the seminiferous tubules in the testes is the epididymis. The sperm migrate from of the seminiferous tubules to the epididymis. Within the epididymis, the sperm mature while they are stored in this structure.
Answer: Option A. -> Boys are more likely to be diagnosed with ADHD than girls
Boys are more likely to be diagnosed with ADHD than girls. Racial minority status is a good predictor of being diagnosed with ADHD.
Boys are more likely to be diagnosed with ADHD than girls. Racial minority status is a good predictor of being diagnosed with ADHD.
Answer: Option C. -> Both a & b
Identity versus confusion is the fifth stage of ego according to psychologist Erik Erikson's theory of psychosocial development. This stage occurs during adolescence between the ages of approximately 12 and 18. During this stage, adolescents explore their independence and develop a sense of self.
Identity versus confusion is the fifth stage of ego according to psychologist Erik Erikson's theory of psychosocial development. This stage occurs during adolescence between the ages of approximately 12 and 18. During this stage, adolescents explore their independence and develop a sense of self.
Answer: Option A. -> Imbibition
Imbibition is a process in which the biological colloidal substances absorb water and show swelling and increase in volume. This happens when the wood of doors and window absorb water and swell during rainy season and cause problems as these do not fit in the frame and do not get closed.
Imbibition is a process in which the biological colloidal substances absorb water and show swelling and increase in volume. This happens when the wood of doors and window absorb water and swell during rainy season and cause problems as these do not fit in the frame and do not get closed.
Answer: Option A. -> Parthenium
Parthenium is effective in controlling water pollution caused by industrial effluents.
Parthenium is effective in controlling water pollution caused by industrial effluents.
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