List of top Biology Questions

The centriole undergoes duplication during:

Which of the following algae produce Carrageen?

 Match List - I with List - II

 Choose the correct answer from the options given below

Which of the following stages of meiosis involves division of centromere?

Persons with 'AB' blood group are called as "Universal recipients". This is due to:

Dobson units are used to measure thickness of

Which of the following is not an objective of Biofortification in crops ?

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli

Identify the incorrect pair.

Identify the correct statement.

Match List - 1 with List - II.

List - 1		List - 1
a	Cells with active cell division capacity	i	Vascular tissues
b	Tissue having all cells similar in structure and function	ii	Meristematic tissue
c	Tissue having different types of cells	iii	Sclereids
d	Dead cells with highly thickened walls and narrow lumen	iv	Simple tissue

Select the correct answer from the options given below.

Erythropoietin hormone which stimulates R.B.C. formation is produced by

 Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighboring cells via rapid transfer of ions and molecules

Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET) ?

A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is

Which of the following is not an application of $PCR$ (Polymerase Chain Reaction)?

Consider the following statements $\&$ choose the correct answer from the given options. Statement 1: Innermost layer of microsporangium is tapetum. Statement 2: Cells of tapetum possess dense cytoplasm more than one nucleus and nourishes developing pollen grains.

Which is the “Only enzyme” that has “Capability” to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes

Identify the incorrect statement.

Match List - I with List - II.

List - I List - II Choose the correct answer from the options given below

The Adenosine deaminase deficiency results into

The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after S phase

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature

Persons with ‘AB’ blood group are called as “Universal recipients”. This is due to