List of top Biology Questions asked in MHT CET

In a trihybrid cross involving three different genes (\( AaBbCc \times AaBbCc \)), what is the expected genotypic ratio among the offspring?

How many of the following genotypes possibly represent normal wings in Drosophila?
 (i) \( Vg^+Vg^+ \) 
(ii) \( Vg^+Vg^{ni} \) 
(iii) \( Vg^+Vg^{no} \) 
(iv) \( Vg^+Vg^{st} \) 
(v) \( Vg^+Vg \) 
 

If adenine constitutes 30% of the bases in a DNA molecule, what percentage of the bases is guanine?

Label the following layers around ovum properly. 


\(\_\_\_\_\_\) is also called the terror of Bengal.

Annealing process of PCR is performed at \(\_\_\_\) temperature.

Bond present between two nucleotides on a single strand of DNA is:
Which of the following factors ensures that coding for the same amino acid, such as methionine and valine, using identical anticodons remains non-ambiguous?
When a stem of a plant is cut a few inches above the soil and xylem sap is seen flowing out through the cut end, this exudation is considered evidence for the existence of root pressure. Who proposed the theory of root pressure?
Who first identified the transforming principle?
Which enzyme converts trypsinogen into trypsin?
How many DNA copies are produced after five cycles of PCR (Polymerase Chain Reaction)?
Which of the following is a function of the hypothalamus?
Cerebrospinal fluid (CSF) uses were given below. Identify the incorrect use by eliminating it.
What type of relationship exists between sea anemones and clownfish?
What was the historical use of cellophane tubes in hemodialysis?

Which of the following statements about the pharynx and larynx is/are correct? 

(1) The pharynx serves as a pathway for both food and air. 
(2) The larynx is involved in the production of sound. 
(3) The pharynx contains the vocal cords. 
(4) The larynx prevents food from entering the trachea.

Choose the correct options from the given below:

Arrange the following steps of the action potential mechanism in the correct order: 
(1) Depolarization 
(2) Repolarization 
(3) Polarization 
(4) Resting Potential 

Choose the correct options from the given below:

What is the definition of geitonogamy?
What is the definition of spermatogenesis?
Which of the following statements correctly define euploidy and aneuploidy?
Match the following chromosomal abnormalities with their correct definitions: \[ \begin{array}{|c|c|} \hline \text{Chromosomal Abnormality} & \text{Definition} \\ \hline 1. \text{Monosomy} & D. \text{Presence of only one copy of a particular chromosome} \\ \hline 2. \text{Nullisomy} & B. \text{Absence of both homologous chromosomes} \\ \hline 3. \text{Trisomy} & A. \text{Presence of three copies of a particular chromosome} \\ \hline 4. \text{Tetrasomy} & C. \text{Presence of four copies of a particular chromosome} \\ \hline \end{array} \]
Which of the following is a dominant autosomal disorder?
Which of the following is a restriction endonuclease?
Which component was not found in the early Earth's atmosphere?