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- Question
In plant body, the water and minerals are transported by _______
Options- A. Bast
- B. Collenchyma
- C. parenchyma
- D. Xylum
- Correct Answer
- Xylum
- 1. Cancer is caused by
Options- A. Loss of immunity of cells
- B. Uncontrolled meiosis
- C. Uncontrolled mitosis
- D. Rupturing of cells Discuss
- 2. 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.
- 3. Study Of Cells Is Called
Options- A. Cellogysm
- B. Cell biology
- C. Cell Organism
- D. None Discuss
- Life cycle
- Structure and organisation of cell organelles and their physiological properties.
- Metabolic processes
- Interactions with their environment
- Signalling pathways.
- 4. The universal donor belongs to blood group
Options- A. A
- B. B
- C. AB
- D. O Discuss
- 5. What do eukaryotic cells have that prokaryotic cells do not?
Options- A. Nucleus
- B. Cytoplasm
- C. Ribosomes
- D. DNA Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. The weight of the brain in the total weight of the body is about
Options- A. 2%
- B. 3%
- C. 4%
- D. 5% Discuss
- 10. 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
Biology problems
Search Results
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: Cell biology
Explanation:
The branch of biology that studies the different structures and functions of the cell is called Cell Biology or Cytology.
A cell is the smallest unit of life that can replicate independently, and cells are often called the "building blocks of life"
Cell Biology deals with :
Correct Answer: O
Explanation:
The persons with 'O' blood group do not have antigens in the red corpuscles. So that blood will not cause agglutination of corpuscles if mixed with any type of blood. So group 'O' persons are called universal donors.
Correct Answer: Nucleus
Correct Answer: beyond which light does not penetrate
Correct Answer: Most of them are heterotrophs but some are autotrophs
Correct Answer: Green & Red
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.
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