MPTET Exam Biology – 22-2-2025
-
What is the diagram used to understand the formation of gametes, zygotes, F1, and F2 plants?
A) Punnett Square
B) Heterogamous
C) Test Cross
D) Monohybrid Cross
Answer: A) Punnett Square -
Which of the following conducts electricity?
A) Glucose
B) Alcohol solution
C) HCl
D) Phosphorus
Answer: C) HCl -
What is the chemical name of milk of magnesia?
A) Magnesium hydroxide
B) Calcium hydroxide
C) Sodium hydroxide
D) Potassium hydroxide
Answer: A) Magnesium hydroxide -
_________ have the same atomic number but different mass numbers.
A) Isobars
B) Isotopes
C) Isotones
D) Isomers
Answer: B) Isotopes -
In which type of interaction are both species adversely affected?
A) Amensalism
B) Neutralism
C) Competition
D) Parasitism
Answer: C) Competition -
Decoding and interpreting visual information in the brain is related to which lobe?
A) Frontal lobe
B) Occipital lobe
C) Temporal lobe
D) Parietal lobe
Answer: B) Occipital lobe -
Which element is most abundant in the Earth's crust?
A) Oxygen
B) Silicon
C) Nitrogen
D) Carbon
Answer: A) Oxygen -
It is said that since the Industrial Revolution, the percentage of _______ in the atmosphere has doubled as humans started burning fossil fuels on a large scale.
A) Nitrogen
B) Carbon dioxide
C) Atmospheric ozone
D) Oxygen
Answer: B) Carbon dioxide -
Marine fishery work is carried out using fishing nets, guided by which?
A) Echolocation and satellites
B) Virtual imaging
C) Drones
D) Submarines
Answer: A) Echolocation and satellites -
The gravitational force of the Sun is felt by the Earth and the Moon. How does the orbit of the Moon appear in relation to the Sun?
A) Elliptical
B) Somewhat elliptical
C) Parabolic
D) Hyperbolic
Answer: B) Somewhat elliptical