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- Question
A US team of scientists has found that the mechanism responsible for the ageing process is located --
Options- A. Inside the face
- B. Inside the skin
- C. Inside the brain
- D. Inside the heart
- Correct Answer
- Inside the brain
ExplanationThe US team of scientists found the mechanism in the hypothalamus, which is located deep inside the brain and showed that it is responsible for the ageing process. - 1. Which is the longest bone in the human body?
Options- A. Fibula
- B. Radius
- C. Stapes
- D. Femur Discuss
- 2. Fishes have a ........ chambered heart.
Options- A. Single
- B. Three
- C. Four
- D. Two Discuss
- 3. Which Virus causes Chicken Pox?
Options- A. Rubella Virus
- B. Herpes Zoster Virus
- C. Rabies
- D. Variola Virus Discuss
- 4. Deficiency of which of the following causes non-clotting of blood?
Options- A. Vitamin C
- B. Vitamin K
- C. Vitamin E
- D. Vitamin B12 Discuss
- 5. Asexual reproduction differs from sexual reproduction in that in asexual reproduction, ______
Options- A. the new organisms are genetically identical to the parent
- B. the gametes are produced in reproduction
- C. the nuclei of gametes fuse
- D. the offspring shows variations Discuss
- 6. The study of relation of animals and plants to their surroundings is called__________
Options- A. Ecology
- B. Ethrology
- C. Genealogy
- D. Iconology Discuss
- 7. At which stage in its life cycle does the silkworm yield the fiber of commercial use
Options- A. Larva
- B. Egg
- C. Pupa
- D. Imago Discuss
- 8. Which organ has finger like outgrowths which are called as Villi (Singular Villus)?
Options- A. Large Intestine
- B. Bladder
- C. Small Intestine
- D. Stomach Discuss
- 9. Which of the following vitamins are water soluble?
Options- A. Vit. A & Vit. B
- B. Vit. B & Vit. C
- C. Vit. C & Vit. D
- D. Vit. A & Vit. K Discuss
- 10. Lysosome is formed from which of the following cell organelles?
Options- A. Nucleus
- B. Endoplasmic reticulum
- C. Golgi bodies
- D. Ribosomes Discuss
Biology problems
Search Results
Correct Answer: Femur
Explanation:
The femur is also the longest bone in the human body. By most measures the femur is the strongest bone in the body.
Correct Answer: Two
Correct Answer: Herpes Zoster Virus
Correct Answer: Vitamin K
Correct Answer: the new organisms are genetically identical to the parent
Correct Answer: Ecology
Correct Answer: Pupa
Correct Answer: Small Intestine
Correct Answer: Vit. B & Vit. C
Correct Answer: Golgi bodies
Explanation:
?Lysosomes are spherical membranous sacs of enzymes.
?The lysosome membrane helps to keep its internal compartment acidic and separates the digestive enzymes from the rest of the cell.
?Lysosomes are formed by budding from the Golgi complex.
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