List of top Biology Questions

During implantation, the cells of __________ secrete lytic enzymes and destroy endometrial cells.
Colour of $\beta$-carotene is ______.
These blood corpuscles are also called polymorphs ______.
The oxygenated blood is brought to the left atrium by ______ pulmonary veins.
The foliar buds for vegetative propagation are produced on the surface of leaf ______.
Coccidiosis is a disease related to ______.
PCR is NOT used in ______.
Which of the following is the first cell of human life?
The blood pressure will be minimum in the ______.
Match the plant structure in Column-I with the process occurring in it from Column-II and select the correct option.
Column-I Column-II
(i) Stomata (a) Absorption
(ii) Hydathode (b) Transpiration
(iii) Root hair (c) Guttation
(iv) Tracheary elements (d) Translocation
Point mutation is _______.
The monitoring stations established by NEERI have reported that Chembur–Trombay area in Mumbai has highest ______ in air.
How many oxidation steps are involved in aerobic respiration during acetylation and Krebs cycle?
During glycolysis, both oxidation and phosphorylation reactions occur during conversion of ______.
During proton pump (chemiosmosis) for synthesis of NADPH$_2$ from NADP ______ are required.
In human beings, how much quantity of semen is contributed by the prostate gland?
In which one of the following processes are the bacteria {Nitrosomonas, {Nitrosococcus} and {Nitrobacter} involved?
Match Column - I with Column - II and select the correct option.
Liver is located on ........ in the human body.
Which one of the following is NOT related to the entry of a pollen tube in an ovule?
Which of the following is regarded as the pregnancy hormone?
The boll worms attack ......
The length of DNA segment having 44 base pairs is ......
Important role played by factors R1, R2 and S during protein synthesis is ......
Select the correct match.