Biology

A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after

A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is:…

The structures that are formed by stacking of organized flattened membranous

The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are: Options (a) Grana (b)…

The oxygen evolved during photosynthes is comes from water molecules. Which one

The oxygen evolved during photosynthes is comes from water molecules. Which one of the following pairs of elements is involved…

In photosynthesis the light-independent reactions take place at :

In photosynthesis the light-independent reactions take place at : Options (a) Photosystem-I (b) Photosystem-II (c) Stromal matrix (d) Thylakoid lumen…

Chromatophores take part in:

Chromatophores take part in: Options (a) Growth (b) Movement (c) Respiration (d) Photosynthesis Correct Answer: Photosynthesis Explanation: Chromatophores play an…

Anoxygenic photosynthesis is characteristic of:

Anoxygenic photosynthesis is characteristic of: Options (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva Correct Answer: RhodospirillumExplanation:No explanation available. Be…

Which one of the following hormones though synthesised else where is stored and released

Which one of the following hormones though synthesised else where is stored and released by the mastergland ? Options (a)…

Which one of the following hormones is not involved in sugar metabolism ?

Which one of the following hormones is not involved in sugar metabolism ? Options (a) Aldosterone (b) Insulin (c) Glucagon…

Which of the following regions of the brain is incorrectly paired with its function?

Which of the following regions of the brain is incorrectly paired with its function? Options (a) Cerebellum –language comprehension (b)…

Stimulation of a muscle fiber by a motor neuron occurs at:

Stimulation of a muscle fiber by a motor neuron occurs at: Options (a) the neuromuscular junction (b) the transverse tubules…