PB1998

The nucleus is seperated from surrounding cytoplasm by a nuclear membrane

The nucleus is seperated from surrounding cytoplasm by a nuclear membrane, which is Options (a) single layered with pores (b)…

Photorespiration takes place only in

Photorespiration takes place only in Options (a) green parts of the plant (b) mitochondria of plant cell (c) all living…

At what pressure a gas, which occupies 100 mL at a pressure of 720 mm

At what pressure a gas, which occupies 100 mL at a pressure of 720 mm, will occupy a volume of…

A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure

A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure.The volume of this…

Respiratory quotient (R.Q.), during early stages of germination of castor seed, is

Respiratory quotient (R.Q.), during early stages of germination of castor seed, is Options (a) zero (b) less than one (c)…

Oxidation number of Fe in Fe₃O₄ is

Oxidation number of Fe in Fe₃O₄ is Options (a) 0 (b) ⁺2/5 (c) -1/2 (d) ⁺8/3 Correct Answer: ⁺8/3Explanation:No explanation…

In a population of species, in some plants the style is shorter. But in some

In a population of species, in some plants the style is shorter. But in some others, it is longer than…

Populations termed r-strategists

Populations termed r-strategists Options (a) have J-shaped growth curve (b) are usually pioneer species (c) have type III survivorship curve…

Oleic,stearic and palmitic acids are

Oleic,stearic and palmitic acids are Options (a) nucleic acid (b) fatty acid (c) amino acid (d) nitric acid Correct Answer:…

Carborundum is

Carborundum is Options (a) Al₂(SO₄)₃ (b) AlCl₃ (c) Al₂O₃2H₂O (d) SiC Correct Answer: SiCExplanation:Silicon carbide (SiC), also known as carborundum…