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- Question
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
- Correct Answer
- Green & Red
- 1. 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
- 2. 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
- 3. In plant body, the water and minerals are transported by _______
Options- A. Bast
- B. Collenchyma
- C. parenchyma
- D. Xylum Discuss
- 4. Cancer is caused by
Options- A. Loss of immunity of cells
- B. Uncontrolled meiosis
- C. Uncontrolled mitosis
- D. Rupturing of cells Discuss
- 5. Organisms need Nutrients in order to
Options- A. Breaking down food
- B. Utilize chemical compounds
- C. recycling
- D. None Discuss
- Important nutrients are Hydrogen, Carbon and Oxygen.
- Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium.
- 6. The weight of the brain in the total weight of the body is about
Options- A. 2%
- B. 3%
- C. 4%
- D. 5% Discuss
- 7. 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
- 8. The grouping of blood is based on substances called
Options- A. antibodies
- B. antigens
- C. antitoxin
- D. enzymes Discuss
- 9. Saliva contains an Enzyme called Discuss
- 10. Which is the Largest Organ in the Human Body?
Options- A. Heart
- B. Brain
- C. Skin
- D. Liver Discuss
Biology problems
Search Results
Correct Answer: Most of them are heterotrophs but some are autotrophs
Correct Answer: beyond which light does not penetrate
Correct Answer: Xylum
Correct Answer: Uncontrolled mitosis
Correct Answer: Breaking down food
Explanation:
Nutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions.
Correct Answer: 2%
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: 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: 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.
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