Biology Mcqs

The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called_________________?

A. Chemistry
B. Biochemistry
C. Molocular biology
D. Both a and b

Which chemical component has the same % in bacterial as well as the mammalian cell_____________?

A. Water
B. Carbohydrate
C. Proteins
D. Lipids

Reactions in which simple substances are combined to form complex substances are called_____________?

A. Metabolic reactions
B. Catabolic reactions
C. Anabolic reactions
D. None of these

Which one is the basic element of organic compounds _________________?

A. Oxygen
B. Hydrogen
C. Sulphur
D. Carbon

The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________?

A. Ionic bond
B. Hydrogen bond
C. Covalent bond
D. Electrovalent bond

During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_______?

A. Lysosomes
B. Primary lysosomes
C. Secondary lysosomes
D. Food vacuole

Which of the following impart a red colour to Rose petals?

A. Chloroplast
B. Chlorophyll
C. Chromoplast
D. Leucoplast

Ribosomes + m-RNA?

A. Polysome
B. Phlosome
C. Polosome
D. None of these

Which of the following statement is incorrect about Glyoxisomes?

A. They contain enzymes which help in conversion of fatty acids into carbohydrate
B. They are abundant in soyabeans but absent in pea.
C. They are present through out life of a plant and provide them whth energy through Glyoxylate cycle.
D. They are signle membranous organelles

Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are ched off from ________ surface of Golgi apparatus:

A. Forming face
B. Maturating face
C. Any of them
D. None of these