NEET 2019

enter the cell cycle

suspend the cell cycle

terminate the cell cycle

exit the cell cycle

Kyoto Protocol

Gothenburg Protocol

Geneva Protocol

Montreal Protocol

inflammation of bronchi and bronchioles.

proliferation of fibrous tissues and damage of the alveolar walls.

reduction in the secretion of surfactants by pneumocytes.

benign growth on mucous lining of nasal cavity.

Viruses are obligate parasites.

Infective constituent in viruses is the protein coat.

Prions consist of abnormally folded proteins.

Viroids lack a protein coat.

Adenine and guanine

Guanine and cytosine

Cytosine and thymine

Adenine and thymine

Differential activity of cambium causes light and dark bands of tissue - early and late wood respectively.

Activity of cambium depends upon variation in climate.

Annual rings are not prominent in trees of temperate region.

Annual ring is a combination of spring wood and autumn wood produced in a year.

$$Pharynx \rightarrow Oesophagus \rightarrow Gizzard \rightarrow Crop \rightarrow Ileum \rightarrow Colon \rightarrow Rectum$$

$$Pharynx \rightarrow Oesophagus \rightarrow Gizzard \rightarrow Ileum \rightarrow Crop \rightarrow Colon \rightarrow Rectum$$

$$Pharynx \rightarrow Oesophagus \rightarrow Ileum \rightarrow Crop \rightarrow Gizzard \rightarrow Colon \rightarrow Rectum$$

$$Pharynx \rightarrow Oesophagus \rightarrow Crop \rightarrow Gizzard \rightarrow Ileum \rightarrow Colon \rightarrow Rectum$$

All fuse with the egg.

One fuses with the egg, other(s) fuse(s) with synergid nucleus.

One fuses with the egg and other fuses with central cell nuclei.

One fuses with the egg, other(s) degenerate(s) in the synergid.

It is pest resistant, with a gene from Bacillus thuringiensis.

It is drought tolerant, developed using Agrobacterium vector.

It has yellow grains, because of a gene introduced from a primitive variety of rice.

It is Vitamin A enriched, with a gene from daffodil.

Seminiferous tubules $$\rightarrow$$ Rete testis $$\rightarrow$$ Vasa efferentia $$\rightarrow$$ Epididymis $$\rightarrow$$ Vas deferens $$\rightarrow$$ Ejaculatory duct $$\rightarrow$$ Urethra $$\rightarrow$$ Urethral meatus

Seminiferous tubules $$\rightarrow$$ Vasa efferentia $$\rightarrow$$ Epididymis $$\rightarrow$$ Inguinal canal $$\rightarrow$$ Urethra

Testis $$\rightarrow$$ Epididymis $$\rightarrow$$ Vasa efferentia $$\rightarrow$$ Vas deferens $$\rightarrow$$ Ejaculatory duct $$\rightarrow$$ Inguinal canal $$\rightarrow$$ Urethra $$\rightarrow$$ Urethral meatus

Testis $$\rightarrow$$ Epididymis $$\rightarrow$$ Vasa efferentia $$\rightarrow$$ Rete testis $$\rightarrow$$ Inguinal canal $$\rightarrow$$ Urethra