5 cm3 dilute sodium hydroxide solution and 5 cm3 one percent copper sulphate solution are…
5 cm3 dilute sodium hydroxide solution and 5 cm3 one percent copper sulphate solution are added to a…
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The flow of air and water in or out of the mesophyll layer of a…
The flow of air and water in or out of the mesophyll layer of a leaf is controlled…
Fungi are heterotropic because they
Fungi are heterotropic because they A. have no leaves B. lack roots C. are filamentous D. lack chlorophyll…
Which of the following insects undergoes incomplete metamorphosis?
Which of the following insects undergoes incomplete metamorphosis? A. Mosquito B. Termite C. Housefly D. Moth Correct Answer:…
An onion is a bulb because it
An onion is a bulb because it A. has a tuberous stem B. has a reduced stem and…
The structure labelled X is used by the organism in the same way as man…
The structure labelled X is used by the organism in the same way as man uses his A.…
The structure labelled Y is the
The structure labelled Y is the A. food vacuole B. nucleolous C. macronucleus D. contractile vacuole Correct Answer:…
The essential structural difference between hydra and tapeworm is that while Hydra
The essential structural difference between hydra and tapeworm is that while Hydra A. has tentacles, tapeworm is parasitic…
The flowering period of plants in a habitat is determined by the
The flowering period of plants in a habitat is determined by the A. duration of sunlight B. intensity…
Which of the following correctly summarizes the life cycle of fern plant?
Which of the following correctly summarizes the life cycle of fern plant? A. Spore → prothallus → thallus…