Biology problems
- 1. The main buffer system of the human blood is
Options- A. H2CO3
- B. H2SO4
- C. CO2
- D. O3 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: H2CO3
- 2. Which of the following are known as the suicide bags of cells?
Options- A. Lysosomes
- B. Golgi bodies
- C. Nucleoli
- D. Ribosomes Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Lysosomes
Explanation:
Lysosome is an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane. They are capable of breaking down all types of biological polymers like proteins, nucleic acids, carbohydrates, and lipids.
Lysosomes are known as the suicide bags of cells because whe any cell gets damaged these organelles burst and the enzymes present in it will digest the damaged cell.
- 3. Which cell feature is responsible for making proteins?
Options- A. Chromosomes
- B. Nucleus
- C. Ribosomes
- D. Cytoplasm Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: Ribosomes
- 4. Mitochondrial DNA analysis is best suited for
Options- A. analysis in which only a minute quantity of DNA material is available
- B. Forensic science analysis
- C. analysis requiring greater discriminatory power than STR
- D. All of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Forensic science analysis
Explanation:
Mitochondrial DNA analysis is best suited for Forensic science analysis.
- 5. What is the outcome when a cell undergoes meiosis?
Options- A. Two haploid cells
- B. Four haploid cells
- C. Two diploid cells
- D. Four diploid cells Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO
Correct Answer: Four haploid cells
Explanation:
When a cell undergoes meiosis process, it produces 4 haploid cells as a result.
- 6. Earth-worms belongs to the phylum
Options- A. Protozoa
- B. Cnidaria
- C. Annelida
- D. Mollusca Also asked in: Bank Exams
Correct Answer: Annelida
- 7. Which of the following are also known as Suicidal bag of Cells?
Options- A. Lysosomes
- B. Lycosome
- C. Nucleus
- D. Chromosome Also asked in: Bank Exams
Correct Answer: Lysosomes
- 8. DNA stands for _____.
Options- A. Di Nucleic Acid
- B. Deoxy Nucleic Acid
- C. Diribonucleic Acid
- D. Deoxyribonucleic Acid Also asked in: Bank Exams
Correct Answer: Deoxyribonucleic Acid
- 9. Cerebro spinal fluid protects
Options- A. Heart
- B. Brain
- C. Liver
- D. Kidney Discuss
Correct Answer: Brain
- 10. Antigens 'A' and 'B' are absent in persons belong to blood group
Options- A. 'O'
- B. 'A'
- C. 'B'
- D. 'AB' Discuss
Correct Answer: 'O'
More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.