Which of the following is the most evident source of evolution?
Which of the following is the most evident source of evolution? Options (a) morphology (b) fossils (c) vestigial organs (d)…
8 years ago
Biology
Which is more efficient medium for oxygen uptake in respiration?
Which is more efficient medium for oxygen uptake in respiration? Options (a) aquatic (b) aerial (c) marine (d) esturine Correct…
8 years ago
Equipment used for the measurement of growth in plants is known as
Equipment used for the measurement of growth in plants is known as Options (a) auxanometer (b) respirometer (c) potometer (d)…
8 years ago
Most abundant water insoluble polysaccharide of plant cell wall is
Most abundant water insoluble polysaccharide of plant cell wall is Options (a) cellulose (b) hemicellulose (c) pectin (d) lignin Correct…
8 years ago
Earthworm and cockroach have which of the following thing in common?
Earthworm and cockroach have which of the following thing in common? Options (a) nephridia (b) ventral nerve chord (c) cocoon…
8 years ago
In piped water supply system, water is often treated with chlorine to
In piped water supply system, water is often treated with chlorine to Options (a) remove hardness (b) kill germs (c)…
8 years ago
Which of the following is the source of energy for muscle contraction?
Which of the following is the source of energy for muscle contraction? Options (a) actin (b) actomyosin (c) myosin (d)…
8 years ago
Gibberellins can promote seed germination because of their influence on
Gibberellins can promote seed germination because of their influence on Options (a) rate of cell division (b) production of hydrolyzing…
8 years ago
Structure found in blue green algae which helps in nitrogen fixation is
Structure found in blue green algae which helps in nitrogen fixation is Options (a) Heterocyst (b) Holotrema (c) Haplosperm (d)…
8 years ago
Which part of the leaf is meant for photosynthesis and gaseous exchange?
Which part of the leaf is meant for photosynthesis and gaseous exchange? Options (a) bundle sheath with chloroplasts (b) bundle…
8 years ago