NEET 2017 PITA

High level of FSH and LH

Surge of Estrogen

Stimulation of GnRH

High level of Prolactin

The circulatroy sytem is closed

The body is devoid of scales

Mouth is circular and lacks jaws

It migrates to the ocean for spawning

DNA stores genetic information

There is now enough evidence that essential processes like metabolism, translation and splicing evolved around RNA

DNA may act as a catalyst

RNA can splice itself and is also able to act as a catalyst

(a), (c) and (d)

(a), (b) and (c)

(b), (c) and (d)

(a), (b) and (d)

In conifers the needle like leaves are well adapted to extremes of temperature, moisture conservation and onslaught of wind.

Roots of pines enter into a symbiotic relationship with higher fungi.

The coralloid roots in Cycas have nitrogen fixing cyanobacteria

The giant redwood tree Sequoia, one of the tallest trees is an angiosperm.

Damage to any Lung tissue causing increase in elasticity of the air sacs

Chronic damage to air sacs or alveoli leading to abnormal reduction in respiratory surface area

Persistant inflammation and damage to the cells lining the bronchi and bronchioles

An allergic reaction causing musclespasms in the bronchial walls

Plasmodium

Paramoecium

Trypanosoma

Entamoeba

448

1218

739

2012

Phloem fibres are made up of collenchymatous cells

Sieve tube elements are multicellular with wide lumen and rich cytoplasm

Companion cells help in maintaining the pressure gradient in sieve tubes

Phloem parenchyma is abundantly present in monocots

Malleus

Incus

Stapes

Utricle