Consider the following forest found in Odisha? 1. Mangrove forest 2. Tropical moist deciduous forest 3. Tropical semi-evergreen forest 4. Tropical dry deciduous forest

Consider the following statements regarding mangrove vegetation and choose the correct answer:
1. True mangrove vegetation occurs in open beach or in sandy or rocky shores of the sea
2. The vegetation rarely develops in wet tropics where the tropical rain forest is the climax vegetation
3. In world, the eastern mangrove is found on the coasts of Indian ocean and the western part of the Pacific ocean
4. Most of the species of mangrove formations are gregarious in habit

A

Only 1, 2 and 3 are true

B

Only 2 and 4 are true

C

Only 3 and 4 are true

D

Only 2, 3 and 4 are true

Which of the following statements is/are true?
1. Jharkhand is endowed with about five varied forest types.
2. Forests of the state fall under two major groups Tropical Moist Deciduous and Tropical Dry Deciduous forest.
Select the correct answer from the given below

A

Only 1

B

Only 2

C

Both 1 and 2

D

Neither 1 nor 2

Consider the following statements regarding the Andaman and the Nicobar islands and choose the correct answer:
1. The islands have nearly 450 and 13.8 square miles of mangrove forests
2. This forest develops in areas covered by brackish water at high tide such as mud-flats along tidal streams
3. The dominant family in these islands is Acanthaceae
4. The mangrove forests are largely composed of single species or a few allied species

A

Only 1, 2 and 3 are true

B

Only 2, 3 and 4 are true

C

Only 1, 2 and 4 are true

D

Only 1, 3 and 4 are true

In a laboratory test run, the rate of drying was found to be 0.5 × 10^-3 kg/m².s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry basis. A tray dryer is used to dry 100 kg (dry basis) of the same material under identical conditions. The surface area of the material is 0.04 m²/kg of dry solid. The time required (in seconds) to reduce the moisture content of the solids from 0.3 to 0.2 (dry basis) is

A

2000

B

4000

C

5000

D

6000

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

A

The soil of rain forest is deficient in nutrients

B

Propagules of the trees in a rain forest have poor viability

C

The rain forest species are slow growing

D

Exotic species invade the fertile soil of rain forest

With reference to tropical dry deciduous forest which one of the following is/are correct?
1. These forests are found in areas having mean annual rainfall less than 120 cm.
2. The canopy of the trees does not normally exceed 25 m.
3. These forests constitute the minor forests of Jharkhand.
Select the correct answer from the given below

A

Only 1

B

1 and 2

C

2 and 3

D

All of these

1. The Shivaliks have tropical moist deciduous flora.
2. The Bundelkhand plateau has thorn and scrub forest type of vegetation.
Which of the statements given above is/are correct?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

Tropical moist deciduous vegetation is to be found in Sahyadris, north-east plateau of the Peninsula and in the Shiwaliks. Which of the following is not a tree species of this group?

A

Teak

B

Sal

C

Sandalwood

D

Deodar

Tropical Moist Deciduous Forests are found in which area of Uttar Pradesh?

A

Area of 50 - 75 cm rainfall

B

Area of 75 - 100 cm rainfall

C

Area of 100 - 150 cm rainfall

D

Area of 150 - 200 cm rainfall

Examine the following statements and select the correct answer from given below:
1. Dry teak forests are concentrated in the southern part of Rajasthan.
2. Teak forests are found in areas having annual average rainfall 75 to 110 cm.
3. Subtropical evergreen forests are found on Mt. Abu
4. Forests of western Rajasthan belong to the mixed deciduous forest

A

1 and 2 are correct.

B

2 and 3 are correct.

C

3 and 4 are correct.

D

1, 2 and 3 are correct.