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General Knowledge - Biology

Exercise : Biology - Section 1
  • Biology - Section 1
6.
Movement of cell against concentration gradient is called
osmosis
active transport
diffusion
passive transport
Answer: Option
Explanation:
Active transport, this is the only transport method that can move species against their concentration gradient (from low to high concentration). Facilitated diffusion only moves species down their concentration gradient from high to low concentration.
7.
Photosynthesis generally takes place in which parts of the plant?
Leaf and other chloroplast bearing parts
stem and leaf
Roots and chloroplast bearing parts
Bark and leaf
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Most fish do not sink in water because of the presence of
  1. swim bladder
  2. air bladder
  3. air sacs
  4. air in spongy bones
I and II are correct
II and III are correct
III and IV are correct
I, II, III and IV are correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Plants synthesis protein from
starch
sugar
amino acids
fatty acids
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Plants absorb dissolved nitrates from soil and convert them into
free nitrogen
urea
ammonia
proteins
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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