Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
Filter By
Clear Filter

All Questions

Name the body part modified for food storage in the following 

(a) Carrot

(b) Colocasia

(c) Sweet potato

(d) Asparagus 

(e) Radish

(f) Potato

(g) Dahlia

(h) Turmeric

 

(i) Gladiolus

(j) Ginger

(k) Portulaca 

(a) Tap Root

 (b) Stem

(c) Adventitious Roots 

(d) Root

(e) Tap Root

(f) Stem

(g) Adventitious Roots

 (h) Stem

(i) Stem

(j) Stem

(k) Adventitious Roots

View Full Answer(1)
Posted by

Safeer PP

Match the following and choose the correct option

Column I                                         Column II

A. Aleurone layer                         i. without fertilization

B. Parthenocarpic fruit                 ii. Nutrition

C. Ovule                                      iii. Double fertilization

D. Endosperm                             iv. Seed

Options:

a. A-i, B-ii, C-iii, D-iv

b. A-ii, B-i, C-iv, D-iii

c. A-iv, B-ii, C-i, D-iii

d. A-ii, B-iv, C-i, D-iii

B is the correct answer

View Full Answer(2)
Posted by

Deep

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

It is important to make small check dams across the flooded gullies because they

(i) hold water for irrigation

(ii) hold water and prevent soil erosion

(iii) recharge ground water

(iv) hold water permanently

 

(a) (i) and (iv)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (ii) and (iv)

(b)

It is important to make small check dams across the flooded gullies because they recharge groundwater.

These small dams assist in withholding water.  This gives dampness to the vegetation cover, subsequently preventing soil erosion.

Therefore statements (ii) and (iii) are correct.

Hence option (b) is correct.

View Full Answer(1)
Posted by

infoexpert23

Select the eco-friendly activity among the following

(a) Using car for transportation

(b) Using polybags for shopping

(c) Using dyes for colouring clothes

(d) Using windmills to generate power for irrigation

(d)

  • Eco-friendly means earth-friendly or not harmful to the environment.
  • The car uses petrol or diesel that is non-renewable. So it is not eco friendly
  • Polybags are non-biodegradable. It is also not eco friendly
  • Dyes are synthetic chemical compounds so not eco friendly
  • The wind is a renewable source of energy. So, using windmills to generate power for irrigation is an eco-friendly activity.

Hence option (d) is correct.

View Full Answer(1)
Posted by

infoexpert23

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Pick the right combination of terms which has no fossil fuel.

(a) Wind, ocean and coal

(b) Kerosene, wind and tide

(c) Wind, wood, sun

(d) Petroleum, wood, sun

(c)

Fossil fuel is a general term for buried combustible geologic deposits of natural materials, formed from decayed plants and animals that have been converted to crude oil, coal, natural gas, or heavy oils by exposure to heat and pressure in the earth's crust over hundreds of millions of years.

Wind, wood, sun has no fossil fuel.

Coal, petroleum and kerosene are fossil fuels in the given list

Hence option (c) is correct.

View Full Answer(1)
Posted by

infoexpert23

Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for

(a) grain storage

(b) wood storage

(c) water harvesting

(d) soil conservation

(c)

  • Khadin is an ingenious construction designed to harvest surface runoff water for agriculture. These are mostly found in Rajasthan.
  • Bundhis are used for water harvesting in Madhya Pradesh and Uttar Pradesh.
  • Ahars are reservoirs with an embankment on three sides mostly found in Bihar.
  • Kattas are temporary check dams built across streams and rivulets found in Karnataka.

All these are still in use today for the conservation of water.

Hence option (c) is correct.

View Full Answer(1)
Posted by

infoexpert23

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Opposition to the construction of large dams is due to

(a) social reasons

(b) economic reasons

(c) enviromental reasons

(d) all the above

(d)

Opposition to the construction of large dams by local people is due to social, economic and environmental problems.

The consequences of raising the height of dams are as follows:

  • Environmental: Terrestrial flora and fauna of area is destroyed completely.  It leads to deforestation and loss of biological diversity.
  • Social: It leads to dislocation of people and domestic animals living in an area which causes various social problems. Significant farming area might be forever lost.
  • Economic: The people are not even given adequate compensation for their losses. This obviously leads to economic problems such as temporary unemployment for people.

Hence option (d) is correct.

View Full Answer(1)
Posted by

infoexpert23

Ground water will not be depleted due to

(a) afforestation

(b) thermal power plants

(c) loss of forest, and decreased rainfall

(d) cropping of high water demanding crops

(a)

Afforestation means plantation of trees. Groundwater will not be depleted due to afforestation.

Thermal power plants pollute the groundwater.

Loss of forest and decreased rainfall also pollutes the groundwater.

Most of the groundwater is polluted due to the use of excess water for cropping of high water demanding crops.

Hence option (a) is correct.

View Full Answer(1)
Posted by

infoexpert23

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Arabari forests of Bengal is dominated by

(a) Teak

(b) Sal

(c) Bamboo

(d) Mangroove

(b)

Arabari forests of Bengal is dominated by sal trees.

With the dynamic and willing support of the local community, these forests went through an astounding recovery by 1983.

Hence option (b) is correct.

View Full Answer(1)
Posted by

infoexpert23

Select the wrong statement

(a) Forests provide variety of products

(b) Forests have greater plant diversity

(c) Forests do not conserve soil

(d) Forests conserve water

(c)

Forests are major sites for conservation of soil. The roots of trees firmly hold the soil particles to protect it from flowing away. The humus is more in the soil of forests.

Forest provides variety of products, e.g., timber, paper etc. They have a greater plant diversity as different type of plants are naturally present. Forest also helps in conservation of water.

Hence option (c) is correct.

View Full Answer(1)
Posted by

infoexpert23

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE
filter_img