Biology · Question 951
Archegonia are absent in:
- Bryophytes
- Ferns
- Gymnosperms
- Angiosperms
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Correct answer: D
Angiosperms
The correct answer is Angiosperms.
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Biology · Question 952
Respiration in arthropods can occur through:
- Gills
- Book lungs
- Trachea
- All these
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Correct answer: D
All these
The correct answer is All these.
Biology · Question 953
Which characteristic does not describe amphibians?
- They are anamniotes
- They are warm-blooded
- Some are legless
- Their skin contains chromatophores
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Correct answer: B
They are warm-blooded
The correct answer is They are warm-blooded.
Biology · Question 954
Animals whose young are nourished by milk from the mother's mammary glands are called:
- Cotylosaurs
- Varanops
- Mammals
- Dipnoi
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Correct answer: C
Mammals
The correct answer is Mammals.
Biology · Question 955
The internal clock controlling the opening and closing of stomata is located in:
- Epidermal cells
- Guard cells
- Spongy cells
- Tracheids
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Correct answer: B
Guard cells
The correct answer is Guard cells.
Biology · Question 956
Which form of anaerobic respiration occurs in human muscle cells during extreme activity?
- Alcoholic fermentation
- Lactic acid fermentation
- Aerobic respiration
- None of these
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Correct answer: B
Lactic acid fermentation
The correct answer is Lactic acid fermentation.
Biology · Question 957
During the dark reactions of photosynthesis, the main process is:
- Release of oxygen
- Energy absorption by chlorophyll
- Addition of hydrogen to CO₂
- Formation of ATP
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Correct answer: C
Addition of hydrogen to CO₂
The correct answer is Addition of hydrogen to CO₂.
Biology · Question 958
Which mammal is a filter feeder?
- Man
- Bear
- Deer
- Whale
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Correct answer: D
Whale
The correct answer is Whale.
Biology · Question 959
Which organism is a fluid feeder?
- Mosquito
- Hydra
- Helix
- Spotted dogfish
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Correct answer: A
Mosquito
The correct answer is Mosquito.
Biology · Question 960
Food is forced down the oesophagus by:
- Gravity
- Peristalsis
- Antiperistalsis
- Swallowing alone
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Correct answer: B
Peristalsis
The correct answer is Peristalsis.