Ecology and Environment-Organisms and Environment [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 4 - 6 of 41

Choose Programs:

📹 Video Course 2024 (94 Lectures [58 hrs : 33 mins]): Offline Support

Rs. 310.00 -OR-

1 Month Validity (Multiple Devices)

Preview All LecturesDetails

⏳ 🎯 Online Tests (2 Tests [90 questions each]): NTA Pattern, Analytics & Explanations

Rs. 360.00 -OR-

3 Year Validity (Multiple Devices)

Sample TestsDetailsSee Demo

🎓 Study Material (706 Notes): 2024-2025 Syllabus

Rs. 650.00 -OR-

3 Year Validity (Multiple Devices)

Topic-wise Notes & SampleDetails

🎯 4199 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 700.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 4

Question MCQ▾

Which of the following changes would be likely to make terrestrial life on this planet impossible?

Choices

Choice (4)Response

a.

A decrease in mean temperature by 10 degree C.

b.

Disappearance of the moon.

c.

Change in atmosphere permitting the entire solar radiation reaching the upper atmosphere to penetrate to the surface of the earth.

d.

Change in the orbit of the earth from an ellipse to a surface of the earth.

Edit

Question 5

Question MCQ▾

The change of the lighter colored variety of peppered moth Biston betularia to its darker variety (carbonaria) is due to

Choices

Choice (4)Response

a.

Industrial carbon deposited on the wings of moth resulting in darker variety.

b.

Deletion of a segment of gene due to wings of moth resulting in darker variety.

c.

Mutation of single Mendelian gene for survival in the smoke-laden industrial environment.

d.

Translocation of a block of genes in chromosomes in response to heavy carbons.

Edit

Question 6

Question MCQ▾

If forest area is reduced to half, which one of the following will be a long term effect?

Choices

Choice (4)Response

a.

The natives (tribals) of that area will die on account of hunger.

b.

Cattles of that area will die due to scarcity of fodder.

c.

The diversity in germplasm will affect the crop breeding.

d.

It will be converted into large desert.

Edit