STD 11 - 4. Animal kingdom — NEET STD 11 Science — Question

First step in biogas production is carried out with the help of

The sex determination pattern in honeybee is called

Colour blindness is

Choose incorrect sentence.

Mesogloea of Coelenterata contains

Which of the following characters for connective tissues are correct ?
(i) It is most abundant and widely distributed in the body of complex animals.
(ii) It includes cartilage, bone, adipose and blood.
(iii) Cells of blood, secrete fibres of structural proteins called collagen or elastin.
(iv) Matrix made up of modified polysaccharides.
(v) Areolar tissue present beneath the skin and it is a dense connective tissue.
(vi) Loose connective tissue contains fibroblasts, macrophages and mast cells.
(vii) Fibroblasts produce and secrete fibres.

The factor responsible for cirrhosis of liver is

Male and female Cockroaches can be distinguished externally through

The most likely reason for the development of resistance against pesticides in insects damaging a crop is

Statement I: Every 100 ml of oxygenated blood can deliver around 5 ml of O₂ to the tissues under normal physiological conditions.
Statement II: Every 100 ml of deoxygenated blood delivers approximately 4 ml of CO₂ to the alveoli.