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NEET Botany - MCQ Practice Questions

Practice free NEET Botany multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

420 questions | 100% Free

Q.181Medium

Which of the following is a correct statement about mature embryo sac organization in angiosperms?

Q.182Medium

In a dihybrid cross (AaBb × AaBb), what is the expected phenotypic ratio in F2?

Q.183Medium

What is the term for genes located on the X chromosome?

Q.184Medium

Color blindness in humans is an X-linked recessive trait. If a carrier female (XᶜX) marries a normal male (XᶜY), what percentage of their sons will be color blind?

Q.185Medium

Which of the following is an example of incomplete dominance?

Q.186Medium

What is codominance?

Q.187Medium

ABO blood group system in humans shows which type of inheritance?

Q.188Medium

Which of the following best describes a mutation?

Q.189Medium

Linkage is the phenomenon where genes are inherited together because they are located on the same ______.

Q.190Medium

A plant breeder crosses two tall pea plants and obtains both tall and short offspring. This indicates that tall is _______ over short.

Q.191Medium

In humans, if both parents are carriers of cystic fibrosis (Aa), what is the probability their child will have the disease (aa)?

Q.192Medium

Which type of genetic disorder shows autosomal dominant inheritance?

Q.193Medium

In a dihybrid cross between two heterozygous pea plants (AaBb × AaBb), what is the probability of obtaining an offspring with at least one dominant trait for both genes?

Q.194Medium

A woman with normal vision (carrier for color blindness) marries a man with normal vision. What percentage of their sons will be color blind?

Q.195Medium

The 10% law of energy transfer in an ecosystem states that only 10% of energy is transferred to the next trophic level. What happens to the remaining 90%?

Q.196Medium

The concept of 'ecological niche' refers to:

Q.197Medium

Which of the following is a characteristic of r-selected species?

Q.198Medium

The carrying capacity of an environment is best defined as:

Q.199Medium

In India's biodiversity hotspots, which region is NOT included in the recognized biodiversity hotspots?

Q.200Medium

The concept of 'biomagnification' refers to: