Biology questions
20584 published questions with worked solutions.
- Sphenopsida class belongs to _____.
- Which of the following statements regarding photorespiration are correct? (a) Do not occur in C3 plants (b) CO_2 is consumed and...
- Smooth endoplasmic reticulum _____ .
- Which of the following is not a prokaryote?
- Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage?
- The correct sequence of adult cell cycle phases is _____.
- Match List-I with List-II. List-I A. Fusion of protoplasms between gametes B. Fusion of two nuclei C. Generation of haploid...
- Given below are two statements: Statement I : The class name Reptilia refers to creeping or crawling mode of locomotion....
- Given below are two statements : Statement I : Chromosomes are fully condensed at the end of prophase I. Statement II : Meiosis I...
- Which of the following is not a characteristic of chordates?
- Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of...
- In frogs, the number of pairs of cranial nerves arising from the brain are _____.
- The inactive form of Bt toxin is converted to the active form in the insect gut _____
- Given below are two statements : Statement I : Down's syndrome is caused by the absence of one of the X-chromosomes. Statement II...
- Which of the following disease is not sexually transmitted?
- Sperm motility is due to _____.
- Natural selection can lead to _____. (a) stabilisation (b) genetic drift (c) directional change (d) disruption Choose the correct...
- The method of directly of injecting a sperm into ovum in assisted reproductive technology is called :
- Which of the following struture is not a part of the male reproductive system?
- Arrange the following in descending order of number of species in the Amazonian rain forest. (a) Plants (b) Birds (c) Fishes (d)...