List of top Questions asked in MHT CET- 2024

Choose the correct sequence of events in pollen-pistil interaction from the options given below:
i. Entry of pollen tube into synergid.
ii. Development of pollen tube.
iii. Deposition of pollen grains on the stigma.
iv. Release of contents from pollen tube.

In a polarised state of nerve membrane, sodium-potassium exchange pump actively restores the ions on their appropriate side because ________ against concentration electrochemical gradient.

Female Aedes mosquito acts as a vector in the transmission of ________

Complete the following analogy about human sperm.
Nebenkern : mitochondria :: Acrosome : ________

Basic proteins consist of more basic amino acids and these amino acids exist as a cation at the physiological pH of 7.4.
Which among the following are basic amino acids?

Given below are two statements.
Statement I - GMO crops could potentially have negative effects on human health and natural biodiversity.
Statement II - Insertion of a gene from Brazil nut to increase the production of methionine in soyabean has caused allergic reaction to those who have nut allergies.
In the light of above statements, choose the correct option given below:

Action of salivary amylase stops when it mixes with gastric juice in stomach because ________ .

Most energy saving mode of excretion is________.

All of the raw materials that are extracted from an ecosystem are called ________ services.

Most important fuel of living cells is ________ .

Which one of the following occurs maximum during exponential growth phase in plants?

The final electron acceptor in ETS of cellular respiration is

Given below are two statements about asexual reproduction.
Statement I - In asexual reproduction, the ploidy of progeny is identical to the parent.
Statement II - The progeny is also referred to as clone.
In the light of above statements, choose the correct option given below:

Which of the following is caused by neither bacteria nor viruses?

Which one of the following statements is INCORRECT?

Which of the following pair of organs do NOT produce digestive enzymes?

Match the Column I containing restriction enzymes with Column II containing recognition sequences.

Match the Column I (Animals) with Column II (Respiratory organs) {|c|l|c|l|} Column I (Animals) & & Column II (Respiratory organs) &
i. & Sponges & a. & External gills
ii. & Insects & b. & Plasma membrane
iii. & Limulus & c. & Tracheae
iv. & Amphibian tadpoles & d. & Book gills
Select the correct option

Select the correct set of evolutionary characters of man.

Match the types of endosperms given in Column I with examples given in Column II {|c|c|c|c|} Column I & & Column II &
i. & Cellular & a. & Coconut
ii. & Nuclear & b. & Asphodelus
iii. & Helobial & c. & Petunia

Which one of the following is the main objective of proposing Biological diversity Act 2002?

A wheel of diameter 20 cm is rotating at 600 rpm. The linear velocity of a particle at its rim is:

The angle between the lines, whose direction cosines \( l, m, n \) satisfy the equations: \[ l + m + n = 0 \quad \text{and} \quad 2l^2 + 2m^2 - n^2 = 0, \] is: