NEET Biology: Questions 862 - 867 of 3146

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3146 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 700.00 or

Question number: 862

» Plant Physiology » Transport in Plants » Transpiration-Opening and Closing of Stomata

MCQ▾

Question

Which one of the following will reduce the rate of transpiration?

Choices

Choice (4) Response
a.

Increase in water uptake by plants.

b.

Decrease in light intensity.

c.

Increase in wind velocity.

d.

Rise in temperature.

Question number: 863

» Plant Physiology » Mineral Nutrients » Nitrogen Metabolism

MCQ▾

Question

Most of the plants obtain or absorb nitrogen from soil in the form of

Choices

Choice (4) Response
a.

Nitrite

b.

Nitrates

c.

Free nitrogen gas

d.

Nitric acid

Question number: 864

» Genetics and Evolution » Molecular Basis of Inheritance » DNA Replication

MCQ▾

Question

Replication of DNA is in

Choices

Choice (4) Response
a.

3’ → 5’ direction

b.

2’ → 5’ direction

c.

3’ → 5’ and 5’→ 3’ direction

d. All of the above

Question number: 865

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

A farmer crossed a walnut combed chicken with a single combed one and obtained all walnut combed chickens in F1. The genotype of the parents was

Choices

Choice (4) Response
a.

RR pp x rr PP

b.

RR pp x rr pp

c.

RR Pp x rr pp

d.

Rr Pp x rr pp

Question number: 866

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

MCQ▾

Question

Mendel’s law of segregation is applicable to

Choices

Choice (4) Response
a.

Monohybrid cross only.

b.

Dihybrid cross only.

c.

dihybrid and monohybrid cross

d.

Dihybrid but not monohybrid.

Question number: 867

» Biotechnology and Its Applications » Genetically Modified Organisms

MCQ▾

Question

Cultivation of Bt Cotton has been much in the news. The prefix “Bt” means

Choices

Choice (4) Response
a.

Production by “biotechnology” using restriction enzymes and ligases.

b.

“Barium-treated” cotton seeds.

c.

“Bigger thread” variety of cotton with better tensile strength

d.

Carrying an endotoxin gene from Bacillus thurigiensis.

Sign In