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
In a monohybrid cross between two heterozygous plants (Aa × Aa), what is the phenotypic ratio in the F2 generation?
What is the chromosome number in a human somatic cell?
Which law states that factors (alleles) segregate during gamete formation?
A test cross involves crossing an organism with a dominant phenotype with a _______ individual.
In a dihybrid cross (AaBb × AaBb), what is the expected phenotypic ratio in F2?
What is the term for genes located on the X chromosome?
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?
Which of the following is an example of incomplete dominance?
What is codominance?
ABO blood group system in humans shows which type of inheritance?
Which of the following best describes a mutation?
Linkage is the phenomenon where genes are inherited together because they are located on the same ______.
A plant breeder crosses two tall pea plants and obtains both tall and short offspring. This indicates that tall is _______ over short.
In humans, if both parents are carriers of cystic fibrosis (Aa), what is the probability their child will have the disease (aa)?
Which type of genetic disorder shows autosomal dominant inheritance?
A man with hemophilia (XʰY) marries a normal woman (XʰXʰ). All their daughters will be _______ and all sons will be _______.
In Drosophila, white eye color (w) is recessive to red eye color (w⁺) and is X-linked. If a white-eyed female is crossed with a red-eyed male, what will be the eye color of the F1 females?
A cross between a plant with genotype AaBb and a plant with genotype aabb produces 160 offspring. Due to linkage between genes A and B (20 map units apart), the expected frequency of AaBb offspring will be approximately ______.
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?
A woman with normal vision (carrier for color blindness) marries a man with normal vision. What percentage of their sons will be color blind?