Choose the wrong statement regarding the circulatory system of frog

Sinus venosus receives blood through major veins called vena cava

The ventricle opens into a sac like conus arteriosus

The erythrocytes are nucleated

Special venous connection between liver and intestine called renal portal system is present

Special venous connection between liver and intestine called renal portal system is present

D.

Special venous connection between liver and intestine called renal portal system is present

In circulatory system of frog, venous connection between liver and intestine is called portal system.

Which of these is/are wrongly matched?

(1) Alkaloid - Codeine

(2) Lectin - Morphine - Morphine

(3) Toxin - Abrin

(4) Terpene - Curcumin

(1) and (3) only
(2) and (3) only
(2) and (4) only
(3) and (4) only
(3) and (4) only

The ozone hole over Antarctica develops each year between

Select the plants pollinated by water

(A) Water hyacinth

(B) Zostera

(C) Amorphophallus

(D) Vallisneria

(E) Yucca

Tendons, which attach one bone to another bone are made up of

The breakdown of detritus into small particles by detritivores is called

Which of the following feature(s) is/are common to both wind and water pollinated flowers?

I. Pollen grains are long and ribbon-like.

II. Stigma is large and feathery.

III. The flowers are not colourful.

IV. The flowers do not produce nectar.

Read the following statements and choose the correct answer.

i. Gap junctions cement adjacent cells together

ii. Areolar tissue contains fibroblasts, macrophages and mast cells

iii. Tight junctions facilitate the cells to communicate with each other

iv. Adhering junctions help to stop substances from leaking across tissues

v. Cells of connective tissue except blood secrete fibres of structural proteins called elastin

Which of the following statements regarding responses of organisms to abiotic factors is false?

All birds and mammals are capable of thermoregulation.
Majority of animals and nearly all plants cannot maintain a constant internal environment.
Shivering is a kind of exercise which produces heat and raises body temperature.
Very small animals are commonly found in polar regions as they have to spend less energy to generate body heat
Very small animals are commonly found in polar regions as they have to spend less energy to generate body heat

An orchid growing as an epiphyte on a mango tree is an example for

NEET Biology Solved Question Paper 2014