List of top Biology Questions

Meiosis II is similar to mitosis. Meiosis I cannot occur in haploid cells.
Gram negative bacteria do not retain the stain when washed with alcohol. The outer membrane of Gram negative$ (-ve)$ bacteria contain lipopolysaccharides, a part of which is integrated into membrane lipid.
A reptilian looks like house lizard is sitting on plant with its tail coiled around twig in your garden. Can you identify the animal?
The common characteristic showing by mushroom smut and rust
Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavour, colour, sugar and fleshy content is due to
Which one of the following set meaning is not different?
Which one of the following best describe polygenic inheritance?
How macula lutea and corpus luteum are related?
Corpus callosum connects the two cerebral hemispheres. Association areas are responsible for complex functions like intersensory association of memory and communication.
A man whose father is a colourblind, marry a woman, who is a daughter of colourblind mother. The offspring of this couple will be
In a child of $15$ years age, plasma calcium level is diagnosed below optimum level. Which organ is malfunctioning?
Which of the following is a secondary pollutant
Which of the following is a secondary pollutant ?
Pick out the wrong statement
Tasar silkworm feeds on the leaves of
Respiratory organs of Cockroach are called-
Companion cells are absent in the phloem of
Phellogen is
Histogen theory was put forward by
Ammonia is converted into urea during ornithine cycle in
Restriction endonucleases are most widely used in recombinant DNA technology. They are obtained from
Interconnected flattened sacs of endoplasmic reticulum are called
Hypertonic urine formation is characteristic of kidneys of
Haemophilia is an example of
Which is not a characteristic feature of meristematic cells