Discussion
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- Question
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
- Correct Answer
- Stenothermal
- 1. Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of which Phylum?
Options- A. Echinodermata
- B. Annelida
- C. Platyhelminthes
- D. Arthropoda Discuss
- 2. The members of phaeophyceae are commonly called _________ algae.
Options- A. Green
- B. Brown
- C. Red
- D. Yellow Discuss
- 3. Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?
Options- A. Mammalia
- B. Chordata
- C. Primata
- D. Insecta Discuss
- 4. Which organ of human body secretes Insulin?
Options- A. Pancreas
- B. Kidney
- C. Gall bladder
- D. Liver Discuss
- 5. Which is the largest gland in human body?
Options- A. Liver
- B. Thyroid
- C. Pituitary
- D. Salivary gland Discuss
- 6. Which of the following increases the rate of heart beat?
Options- A. Peripheral nerves
- B. Sympathetic nerves
- C. Parasympathetic nerves
- D. Cranial nerves Discuss
- 7. ___________ is the second largest animal phylum.
Options- A. Mollusca
- B. Chordata
- C. Coelomates
- D. Anneldia Discuss
- 8. Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.
Options- A. Biomagnification
- B. Algal bloom
- C. planktonic
- D. Eutrophication Discuss
- 9. __________ 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 Discuss
- 10. What type of a body plan does coelenterates, ctenophores and echinoderms have?
Options- A. Annelida
- B. Radial
- C. Bilateral
- D. Platyhelminthes Discuss
Biology problems
Search Results
Correct Answer: Echinodermata
Correct Answer: Brown
Correct Answer: Chordata
Correct Answer: Pancreas
Correct Answer: Liver
Correct Answer: Sympathetic nerves
Correct Answer: Mollusca
Correct Answer: planktonic
Correct Answer: Phloem fibres
Correct Answer: Radial
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