Biology questions
20584 published questions with worked solutions.
- What is true about RBCs in humans
- Which one of the following statements about human sperm is correct.
- The signals for parturition originate from
- The common nitrogen-fixer in paddy fields is
- Wind pollinated flowers are
- Ovary is half-inferior in the flowers of
- Genetic engineering has been successfully used for producing
- The genotype of a plant showing the dominant phenotype can be determined by
- DNA or RNA segment tagged with a radioactive molecule is called
- Which one of following statements is correct with respect to AIDS
- The part of Fallopian tube closest to the ovary is
- The technique called gamete intrafallopian transfer (GIFT) is recommended for those females:
- Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
- Bacillus thuringiensis forms protein crystals which contain insecticidal protein.
- Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?
- Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?
- What happens during fertilisation in humans after many sperms reach close to the ovum?
- About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs?
- The cells lining the blood vessels belong to the category of:
- The pathogen Microsporum responsible for ringworm disease in humans belongs to the same Kingdom of organisms as that of: