Discussion
Home ‣ General Knowledge ‣ Biology Comments
- Question
The grouping of blood is based on substances called
Options- A. antibodies
- B. antigens
- C. antitoxin
- D. enzymes
- Correct Answer
- antigens
ExplanationThe 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.
- 1. 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
- 2. The weight of the brain in the total weight of the body is about
Options- A. 2%
- B. 3%
- C. 4%
- D. 5% Discuss
- 3. 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
- 4. 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
- 5. Light compensation zone refers to
Options- A. where light is available in plenty
- B. where light is maximum
- C. beyond which light does not penetrate
- D. where all light is used Discuss
- 6. Saliva contains an Enzyme called Discuss
- 7. Which is the Largest Organ in the Human Body?
Options- A. Heart
- B. Brain
- C. Skin
- D. Liver Discuss
- 8. In which of the following mammals estrous cycle is absent ?
Options- A. Rabbit
- B. Horse
- C. Cow
- D. Monkey Discuss
- 9. Deficiency of 'Thiamine'
Options- A. Beri-Beri
- B. Pellagra
- C. Anaemia
- D. Rickets Discuss
- 10. The story of vitamins dates back to
Options- A. 15th century
- B. 16th century
- C. 17th century
- D. 18th century Discuss
Biology problems
Search Results
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: beyond which light does not penetrate
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
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
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.