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- Question
Organisms need Nutrients in order to
Options- A. Breaking down food
- B. Utilize chemical compounds
- C. recycling
- D. None
- Correct Answer
- Breaking down food
ExplanationNutrients are necessary for break down the food and supply energy to the organisms and to carry out essential life functions.
- Important nutrients are Hydrogen, Carbon and Oxygen.
- Some more important nutrients for plants are : Potassium, Sulphur, Nitrogen, Phosphorous, Calcium and Magnesium.
- 1. 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.
- 2. The universal donor belongs to blood group
Options- A. A
- B. B
- C. AB
- D. O Discuss
- 3. What do eukaryotic cells have that prokaryotic cells do not?
Options- A. Nucleus
- B. Cytoplasm
- C. Ribosomes
- D. DNA Discuss
- 4. Some species of which of the below kinds of organisms are employed as biopesticides? 1.Bacteria 2. Fungi 3. Flowering plants
Options- A. 1 only
- B. 2 and 3 only
- C. 1 and 3 only
- D. 1, 2 and 3 Discuss
- 5. Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in
Options- A. Recombinant DNA technology
- B. Monoclonal antibody production
- C. Stemcell culture
- D. DNA fingerprinting Discuss
- 6. Cancer is caused by
Options- A. Loss of immunity of cells
- B. Uncontrolled meiosis
- C. Uncontrolled mitosis
- D. Rupturing of cells Discuss
- 7. In plant body, the water and minerals are transported by _______
Options- A. Bast
- B. Collenchyma
- C. parenchyma
- D. Xylum Discuss
- 8. 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
- 9. 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
- 10. 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
Biology problems
Search Results
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: 1 only
Correct Answer: DNA fingerprinting
Correct Answer: Uncontrolled mitosis
Correct Answer: Xylum
Correct Answer: beyond which light does not penetrate
Correct Answer: Most of them are heterotrophs but some are autotrophs
Correct Answer: Green & Red
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