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- Question
Saliva contains an Enzyme called
- Correct Answer
- Amylase, also called Ptyalin, which is capable of breaking down starch into simpler sugars such as maltose and dextrin that can be further broken down in the small intestine is the Enzyme present in Saliva
- 1. The grouping of blood is based on substances called
Options- A. antibodies
- B. antigens
- C. antitoxin
- D. enzymes Discuss
- 2. In case of a heart attack, a hormone is injected as an emergency measure, Which one is it?
Options- A. Thyroxine
- B. Adrenaline
- C. Heparin
- D. Insulin Discuss
- 3. The weight of the brain in the total weight of the body is about
Options- A. 2%
- B. 3%
- C. 4%
- D. 5% Discuss
- 4. A colour blind person has difficulty in distinguishing which of the two colours ?
Options- A. Green & Red
- B. White & Red
- C. Blue & Red
- D. Red & Black Discuss
- 5. Statement which is true about bacteria ?
Options- A. All bacteria are autotrophs
- B. Most of them are heterotrophs but some are autotrophs
- C. All bacteria heterophs
- D. All bacteria are photosynthetic Discuss
- 6. Which is the Largest Organ in the Human Body?
Options- A. Heart
- B. Brain
- C. Skin
- D. Liver Discuss
- 7. In which of the following mammals estrous cycle is absent ?
Options- A. Rabbit
- B. Horse
- C. Cow
- D. Monkey Discuss
- 8. Deficiency of 'Thiamine'
Options- A. Beri-Beri
- B. Pellagra
- C. Anaemia
- D. Rickets Discuss
- 9. The story of vitamins dates back to
Options- A. 15th century
- B. 16th century
- C. 17th century
- D. 18th century Discuss
- 10. One of the following cannot be performed by animals
Options- A. Respiration
- B. Photosynthesis
- C. Reproduction
- D. Digestion Discuss
Biology problems
Search Results
Correct Answer: antigens
Explanation:
The red blood corpuscles or Erythrocytes usually carry antigens and there are two types of antigens. The A group persons have antigen A in their red corpuscles and the B group have antigen A in their red corpuscles.The AB group persons have both antigen A and antigen B in their erythrocytes.The 'O'group persons have no antigens in their red corpuscles.
Correct Answer: Adrenaline
Explanation:
Heparin is a hormone secreted by the liver. This is anticoagulant in its property. It prevents cloting of blood inside the heart and blood vessels. Heart attack is the result of a block in the blood vessels supplying blood to the walls of the heart.
Correct Answer: 2%
Correct Answer: Green & Red
Correct Answer: Most of them are heterotrophs but some are autotrophs
Correct Answer: Skin
Explanation:
There are about 70 organs in the human body. The Top 10 largest organs in the human body based on size are:
1. Skin
2. Liver
3. Brain
4. Lungs
5. Heart
6. Kidneys
7. The Spleen
8. The Pancreas
9. Thyroxin
10. The Prostrate.
Correct Answer: Monkey
Correct Answer: Beri-Beri
Correct Answer: 18th century
Correct Answer: Photosynthesis
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