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- bacteria passing through the placenta
- bacteria in the human colon
- tapeworm in the cow intestine
- protozoans found within termites
Sciences MCQs
Which one of the following is light–gathering?
-
- Antenna complex
- Reaction centre
- Photosystem
- All of these
In which of the following joint muscles are arranged in the same plane as that of joint?
-
- Between radius and uln
- Between ulna and scapula
- Between femur and tibi
- Between humerus and scapula
Guard cells of stoma are _____.
-
- Irregular in shape
- Kidney-shaped
- Convex in shape
- Long and cylindrical in shape
Artherosclerosis is a major condition leading to_____.
-
- heart attack
- hypertension
- stroke
- tumor
Which of the following ions are involved in the initiation of nerve impulse_____.
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- K+
- Fe
- Na+
- All of these
Tibia bone is in the body_____.
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- Ear
- Leg
- Hand
- Nose
The unicellular organisms ingest large molecules into their cytoplasm from the external environment without previously digesting them. This process is called_____.
-
- Diffusion
- Osmosis
- Plasmolysis
- Phagocytosis
Sub- phylum vertebrate is also known as_____.
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- Pisces
- Aves
- Craniata
- Amphibia
homeostasis discovered by _____.
-
- Anselme Payen
- Jons jacob Berzeliis
- Walter Bradford Cannon
- None of them