List of top Biology Questions

Which of the following statement(s) about Golden Rice is/are correct?
Which of the following is/are lateral meristems?
Chromosome duplication during the cell cycle occurs in
In chick embryo, the ectoderm generates
Genes in two species that are derived from the same ancestral gene in their most recent common ancestor are called
Metabolic acidosis is associated with decreased plasma level of
Which one of the following is NOT used as a component in subunit vaccines?
Adenine constitutes 0.16 mole fraction in a given single-stranded DNA. What is the mole fraction of uracil in the resultant RNA, if this entire DNA fragment is transcribed?
Competition between two populations in an ecosystem is
Which of the following is NOT a characteristic morphological feature of apoptotic cells?
Match the morphology in Group I with the corresponding microorganism in Group II
Group IGroup II
P. Coccus1. Treponema
Q. Rod2. Bacillus
R. Comma3. Neisseria
S. Spiral4. Vibrio
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion [a]: The resolving power of a transmission electron microscope is higher than that of the light microscope.
Reason [r]: The wavelength of electrons is shorter than that of visible light.
Which one of the following immunoglobulins crosses the human placenta?
Which one of the following hormones is a tyrosine derivative?
The correct hierarchy of taxa in the Linnaean classification of eukaryotes is
Match the terminology in Group I with the stimulus in Group II that generates growth response of plants
Group IGroup II
P. Gravitropism1. Light
Q. Phototropism2. Touch
R. Thigmotropism3. Chemical
S. Chemotropism4. Gravity
The number of significant figures in a reported measurement of 0.00361 is
Which one of the following has a catalytic RNA?
Which one of the following hormones promotes fruit ripening?
Which color of light excites a natural GFP to emit green fluorescence?
Which one of the following is present in a bacterial cell?
RNA is a polymer of
Which organelle in a eukaryotic cell is the site of electron transport chain?
The most abundant type of RNA in a metabolically active mammalian cell is
In DNA replication, the Okazaki fragments are joined by