Science (English Medium) कक्षा ११ - CBSE Question Bank Solutions for Biology

How does tubular secretion help in maintaining ionic and acid-base balance in body fluids?

Macrophages and leucocytes exhibit ______.

Name the cells/tissues in human body which exhibit ameboid movement

Name the cells/tissues in human body which exhibit ciliary movement

Locomotion requires a perfect coordinated activity of muscular, ______, ______ systems.

Chemicals which are released at the synaptic junction are called ______.

Rearrange the following in the correct order of involvement in electrical impulse movement-

Synaptic knob, dendrites, cell body, Axon terminal, Axon

Select the right match of endocrine gland and their hormone among the options given below

Which of the following organs in mammals does not consist of a central meduallary’ region surrounded by a cortical region?

Name the phase of the cell cycle at which the following event occurs:

Chromosomes are moved to spindle equator.

Name the phase of the cell cycle at which the following event occurs:

Centromere splits and chromatids separate.

Name the phase of the cell cycle at which the following event occurs:

Pairing between homologous chromosomes takes place.

Pyruvate undergoes oxidative decarboxylation to produce _____________.

(a) 2-PGA

(b) α-Ketoglutarate

(c) Succinyl-Co-A

(d) Acetyl-Co-A

Describe modifications of stem with suitable examples

What are the cellular components of blood?

What is the following and where do you find them in animal body?

Chondrocytes

Distinguish between Dense regular and dense irregular connective tissues

Distinguish between Adipose and blood tissue

New cells generate from ______.

Which of the following is correct?