Practice questions
88551 published questions with worked solutions.
- Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle ?
- Match the following columns and select the correct option. List-I: (a) Bt cotton (b) Adenosine deaminase deficiency (c) RNAi (d)...
- Which of the following is correct about viroids ?
- The ovary is half inferior in :
- Match the trophic levels with their correct species examples in grassland ecosystem. List-I: (a) Fourth trophic level (b) Second...
- How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with...
- In water hyacinth and water lily, pollination takes place by :
- In light reaction, plastoquinone facilitates the transfer of electrons from :
- Which of the following is not an inhibitory substance governing seed dormancy ?
- Name the enzyme that facilitates opening of DNA helix during transcription.
- Which of the following would help in prevention of diuresis ?
- In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is...
- Strobili or cones are found in :
- Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G0). This process...
- If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a...
- The QRS complex in a standard ECG represents :
- Match the following columns and select the correct option. List-I: (a) Eosinophils (b) Basophils (c) Neutrophils (d) Lymphocytes...
- The sequence that controls the copy number of the linked DNA in the vector, is termed :
- Match the following columns and select the correct option. List-I: (a) Pituitary gland (b) Thyroid gland (c) Adrenal gland (d)...
- Which one of the following is the most abundant protein in the animals ?