Biology problems
- 1. A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called ___________.
Options- A. Osmotic
- B. Eurythermal
- C. Stenothermal
- D. Hydrothermal Also asked in: Bank Exams
Correct Answer: Stenothermal
- 2. Which of the following increases the rate of heart beat?
Options- A. Peripheral nerves
- B. Sympathetic nerves
- C. Parasympathetic nerves
- D. Cranial nerves Also asked in: Bank Exams
Correct Answer: Sympathetic nerves
- 3. ___________ is the second largest animal phylum.
Options- A. Mollusca
- B. Chordata
- C. Coelomates
- D. Anneldia Also asked in: Bank Exams
Correct Answer: Mollusca
- 4. Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.
Options- A. Biomagnification
- B. Algal bloom
- C. planktonic
- D. Eutrophication Also asked in: Bank Exams
Correct Answer: planktonic
- 5. __________ are made up of sclerenchymatous cells. These are generally absent in the primary phloem but are found in the secondary phloem.
Options- A. Xylem fibres
- B. Xylem parenchyma
- C. Phloem parenchyma
- D. Phloem fibres Also asked in: Bank Exams
Correct Answer: Phloem fibres
- 6. What type of a body plan does coelenterates, ctenophores and echinoderms have?
Options- A. Annelida
- B. Radial
- C. Bilateral
- D. Platyhelminthes Also asked in: Bank Exams
Correct Answer: Radial
- 7. In the names Mangifera indica (mango), Solanum tuberosum (potato) and Panthera leo (lion), the terms Mangifera, Solanum and Panthera represent the higher level of?
Options- A. Taxon
- B. Taxonomic Hierarchy
- C. Specific Epithet
- D. Binomial Nomenclature Also asked in: Bank Exams
Correct Answer: Taxon
- 8. Taenia (Tapeworm), Fasciola (Liver fluke) are examples of which Phylum?
Options- A. Coelenterata
- B. Platyhelminthes
- C. Annelida
- D. Arthropoda Also asked in: Bank Exams
Correct Answer: Platyhelminthes
- 9. Which of the following is an emergency hormone in humans?
Options- A. Thyroxine
- B. Insulin
- C. Adrenalin
- D. Progestrone Also asked in: Bank Exams
Correct Answer: Adrenalin
- 10. Webbed neck is a characteristic of
Options- A. Down's syndrome
- B. Turner's syndrome
- C. Klinefelter's syndrome
- D. Cri-du-chat syndrome Also asked in: Bank Exams
Correct Answer: Turner's syndrome
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