Master NEET Zoology with topic-wise questions. Tailored for NEET students, these questions strengthen your Biology preparation.
Which of these is NOT a characteristic of sexual reproduction?
Involves gametes
Leads to variation
Genetically identical offspring
Involves fertilization
The transfer of pollen grains from the anther to the stigma is called:
Fertilization
Germination
Pollination
Dispersal
The presence of homologous structures in different organisms suggests:
Convergent evolution
Shared ancestry
Analogous structures
Different evolutionary origins
Which of the following is NOT considered a direct evidence for evolution?
Fossil records
Comparative embryology
Cultural traditions
Molecular biology
The study of biogeography provides evidence for evolution by showing:
The similarities in embryonic development
The distribution of organisms across different geographical regions
The presence of vestigial organs
The genetic code universality
What do similarities in the early embryonic development of different vertebrate species suggest?
Convergent evolution
Common ancestry
Analogous structures
Independent origins
Which type of evolutionary evidence relies on comparing the DNA sequences of different organisms?
Fossil evidence
Anatomical evidence
Molecular evidence
Biogeographical evidence
The wings of a bat and the wings of an insect are examples of:
Homologous structures
Vestigial structures
Analogous structures
Fossil evidence
A chronic alcoholic is diagnosed with Wernicke-Korsakoff syndrome. Which neurotransmitter deficiency is MOST directly implicated in the pathogenesis of this condition, and which specific symptom is characteristic of Korsakoff's psychosis?
Dopamine deficiency leading to hallucinations
Serotonin deficiency leading to depression
Thiamine (Vitamin B1) deficiency leading to confabulation
Acetylcholine deficiency leading to memory loss
