During blood clotting, the platelets release

During blood clotting, the platelets release

Options

(a) thrombin (b) fibrinogen (c) prothrombin (d) thrombokinase

Correct Answer:

thrombokinase

Explanation:

Thrombokinase is an enzyme secreted by the damaged tissues and blood platelets to convert […]

The golden age of reptiles was

The golden age of reptiles was

Options

(a) mesozoic era (b) palaeozoic era (c) proterozoic era (d) coenozoic era

Correct Answer:

mesozoic era

Explanation:

No explanation available. Be the first to write the […]

Cuscuta is an example of

Cuscuta is an example of

Options

(a) ectoparasitism (b) brood parasitism (c) predation (d) endoparasitism

Correct Answer:

ectoparasitism

Explanation:

Cuscuta, or Dodder plant, is a parasitic plant that wraps around other plants for […]

Montreal protocol aims at

Montreal protocol aims at

Options

(a) Biodiversity conservation (b) Control of water pollution (c) Control of CO2 emission (d) Reduction of ozone depleting substances

Correct Answer:

Control of water pollution

Explanation:

No explanation […]

Good ozone is found in the

Good ozone is found in the

Options

(a) mesosphere (b) troposphere (c) stratosphere (d) ionosphere

Correct Answer:

stratosphere

Explanation:

No explanation available. Be the first to write the explanation for this question by […]

Eutrophication is often seen in

Eutrophication is often seen in

Options

(a) deserts (b) fresh water lakes (c) ocean (d) mountains

Correct Answer:

fresh water lakes

Explanation:

No explanation available. Be the first to write the explanation for this […]

Kyoto Protocol was endorsed at :

Kyoto Protocol was endorsed at :

Options

(a) CoP – 5 (b) CoP – 6 (c) CoP – 4 (d) CoP – 3

Correct Answer:

CoP – 3

Explanation:

No explanation available. Be […]

Natural reservoir of phosphorus is :

Natural reservoir of phosphorus is :

Options

(a) Animal bones (b) Rock (c) Fossils (d) Sea water

Correct Answer:

Rock

Explanation:

The natural reservoir of phosphate is rock which contains phosphorus in the form […]

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