Biology problems
- 1. Unlike eutherians, both monotremes and marsupials
Options- A. have some embryonic development outside the uterus
- B. are found in Australia
- C. lay eggs
- D. lack nipples Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: have some embryonic development outside the uterus
- 2. The right ventricle transports oxygenated blood to the lungs.
Options- A. TRUE
- B. FALSE Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: FALSE
Explanation:
The right ventricle transports deoxygenated blood to the lungs, where the oxygenation takes place.
Hence, the given statement is FALSE.
- 3. In ovaries, the final products of meiosis are
Options- A. haploid gametes
- B. diploid gametes
- C. Both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: haploid gametes
- 4. Variation in human skin color is an example of
Options- A. Heredity
- B. Polygenic traits
- C. Multiple alleles
- D. Incomplete dominance Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Polygenic traits
- 5. Where does transcription occur in eukaryotes?
Options- A. Cytoplasm
- B. Nucleus
- C. Chromosomes
- D. None of the above Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: Nucleus
- 6. Antipsychotic drugs have proved helpful in the treatment of
Options- A. Epilepsy
- B. Schizophrenia
- C. Psoriasis
- D. Eczema Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: Schizophrenia
Explanation:
Antipsychotic drugs have proved helpful in the treatment of schizophrenia and other psychotic disorders, inhibits dopamine, reduces delusions, hallucinations, thought disorganization.
- 7. Closely stacked flattened sacs (plants only)
Options- A. Vacuoles
- B. Lysosomes
- C. Golgi apparatus
- D. None of the above Also asked in: AIEEE, Analyst, Bank Clerk
Correct Answer: Golgi apparatus
- 8. Which of the following statements about DNA replication is false?
Options- A. The enzyme that catalyzes DNA replication is DNA polymerase.
- B. Unwinding of the DNA molecule occurs as hydrogen bonds break.
- C. The process is known as semiconservative replication because one old strand is conserved in the new molecule.
- D. Replication occurs as each base is paired with another exactly like it. Also asked in: AIEEE, Bank Exams, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: Replication occurs as each base is paired with another exactly like it.
- 9. Fat is completely digested in the
Options- A. small intestine
- B. mouth
- C. large intestine
- D. stomach Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: small intestine
Explanation:
Fat is completely digested in the small intestine of the body.
- 10. A viral species is a group of viruses that
Options- A. same ecological niche
- B. same genetic information
- C. both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: both A & B
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