Cell Structure and Functions

About 98 percent of the mass of every living organism is composed of just six element

About 98 percent of the mass of every living organism is composed of just six element including carbon, hydrogen, nitrogen,…

Enzymes, which help in electron transfer are

Enzymes, which help in electron transfer are Options (a) cytochromes (b) proteases (c) isomerases (d) all of these Correct Answer:…

Chromosome duplication without nuclear division refers to

Chromosome duplication without nuclear division refers to Options (a) meiosis (b) mitosis (c) androgenesis (d) endomitosis Correct Answer: endomitosisExplanation:No explanation…

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…

What is the work of centrosome?

What is the work of centrosome? Options (a) cell division (b) cell differentiation (c) cell plate formation (d) cell wall…

Cholesterol is the precursor of

Cholesterol is the precursor of Options (a) progesterone (b) testosterone (c) estradiol and cortisol (d) all of the above Correct…

Cytoplasm and nucleus are separated by a membrane which is

Cytoplasm and nucleus are separated by a membrane which is Options (a) triple layered (b) double layered (c) single layered…

In meiosis, the daughter cells are not similar to that of parent because of

In meiosis, the daughter cells are not similar to that of parent because of Options (a) crossing over (b) synapsis…

Ribosomes are involved in protein synthesis in

Ribosomes are involved in protein synthesis in Options (a) prokaryotes (b) eukaryotes (c) both prokaryotes and eukaryotes (d) viruses Correct…

Which of the following sugar is found in nucleic acid?

Which of the following sugar is found in nucleic acid? Options (a) dextrose (b) glucose (c) levulose (d) deoxyribose Correct…