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- Question
Through photosynthesis at least a half of the total carbon dioxide fixation on earth is carried out by?
Options- A. Pteridophytes
- B. Bryophytes
- C. Algae
- D. Gymnosperms
- Correct Answer
- Algae
- 1. Which of the following vitamins contain nitrogen?
Options- A. Vitamin A
- B. Vitamin B
- C. Vitamin C
- D. Vitamin D Discuss
- 2. Lichen is an association between which of the two ?
Options- A. Algae and fungus
- B. Algae and tree
- C. Fungus and tree
- D. Bacteria and legume plant Discuss
- 3. The thymus gland produces a hormone called
Options- A. thyroxine
- B. thymosin
- C. thyronine
- D. calcitonin Discuss
- 4. Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in
Options- A. peas
- B. wheat
- C. corn
- D. oats Discuss
- 5. Which of the following is not connective tissue?
Options- A. Bone
- B. Cartilage
- C. Blood
- D. Skeletal muscle Discuss
- 6. In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?
Options- A. 2:2
- B. 1:3
- C. 3:1
- D. 4:0 Discuss
- 7. The body of all complex animals consist of only _______ basic types of tissue(s).
Options- A. 4000
- B. 400
- C. 40
- D. 4 Discuss
- 8. Which is the longest bone in human body?
Options- A. febula
- B. Tibia
- C. Stapes
- D. Femur Discuss
- 9. Carotene in fruits and vegetables gives it which color?
Options- A. Green
- B. Pink
- C. Orange
- D. Blue Discuss
- 10. Myopia is a defect of eyes which is also known as
Options- A. Far Sightedness
- B. Near Sightedness
- C. Astigmatism
- D. Night Blindness Discuss
Biology problems
Search Results
Correct Answer: Vitamin B
Correct Answer: Algae and fungus
Correct Answer: thymosin
Correct Answer: peas
Correct Answer: Skeletal muscle
Correct Answer: 1:3
Correct Answer: 4
Correct Answer: Femur
Correct Answer: Orange
Correct Answer: Near Sightedness
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