List of top Biology Questions asked in NEET (UG)

The device which can remove particulate matter present in the exhaust from a thermal power plant is:
Addition of more solutes in a given solution will:

The flowers are Zygomorphic in:

  1. Mustard
  2. Gulmohar
  3. Cassia
  4. Datura
  5. Chilli

Choose the correct answer from the options given below:

“Girdling Experiment” was performed by plant physiologists to identify the plant tissue through which:

In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to:

  1. Secretion of secondary metabolites and their deposition in the lumen of vessels.
  2. Deposition of organic compounds like tannins and resins in the central layers of the stem.
  3. Deposition of suberin and aromatic substances in the outer layer of the stem.
  4. Deposition of tannins, gum, resin and aromatic substances in the peripheral layers of the stem.
  5. Presence of parenchyma cells, functionally active xylem elements and essential oils.

Choose the correct answer from the options given below:

Identify the incorrect statement related to Pollination:
Given below are two statements:
Statement I: Cleistogamous flowers are invariably autogamous
Statement II: Cleistogamy is disadvantageous as there is no chance for cross pollination
In the light of the above statements, choose the correct answer from the options given below:
Which of the following is not a method of ex situ conservation?
Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for:
What amount of energy is released from glucose during lactic acid fermentation?
The gaseous plant growth regulator is used in plants to:
What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants?
Which one of the following plants shows vexillary aestivation and diadelphous stamens?
Which one of the following statements is not true regarding gel electrophoresis technique?
The appearance of recombination nodules on homologous chromosomes during meiosis characterizes:
Exoskeleton of arthropods is composed of:

Read the following statements and choose the set of correct statements:

  1. Euchromatin is loosely packed chromatin
  2. Heterochromatin is transcriptionally active
  3. Histone octamer is wrapped by negatively charged DNA in nucleosome
  4. Histones are rich in lysine and arginine
  5. A typical nucleosome contains 400 bp of DNA helix

Choose the correct answer from the options given below:

Which one of the following statements cannot be connected to Predation?

The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is

In the exponential growth equation \(N_t=N_o e^{rt}\), e represents:
Select the correct pair

Which of the following plants is monoecious?

Diadelphous stamens are found in :

Which of the following algae produce Carrageen?