List of top Questions asked in GUJCET- 2025

A woman experiences her menstrual cycle starting at 14 years and menopause at the age of 46. At the start of menstruation, she can conceive and has children. During her reproductive period, how many ova are produced?
For a normal pregnancy, data compression does not happen, so which hormone does the doctor inject to stimulate the pregnancy?
What is the role of nitrogen-fixing bacteria in the ecosystem?
Which hormone is responsible for the increased secretion in the male reproductive system?
Which statement about MTP (Medical Termination of Pregnancy) is not true?
Which of the following conditions is associated with "overeating"?
In the given diagram, identify the structure labeled 'X' and select the correct number of cells.
Which of the following plant families' pollen cannot remain viable for months?
Which of the following are signs of STIs (Sexually Transmitted Infections)?
(i) Genital itching
(ii) Bleeding
(iii) Normal pain
(iv) Abdominal swelling
The study of DNA, particularly regarding the mechanism of transgenics, and the techniques associated with gene therapy, etc.
If a PCR reaction is carried out 30 times, how much can the DNA sequence increase?
Which microorganism is used in plant genetic engineering?
In a pollen sample, 4 hybrid plants are found. If 1000 offspring are generated, how many hybrid offspring will there be?
What method is used for the production of "Pomato"?
Identify the incorrect statement related to the following context:
The model experiment for assessing certain types of genetically modified animals can be conducted.
B - Some proteins are found in the blood and can also interact with different enzymes. What are these proteins called?
Which of the following substances obtained from marine organisms is used for the treatment of heart vessel blockages?
The effect of toxin B on a certain type of bacteria is mentioned. The toxin does not affect the bacteria due to its specific mechanism.
In a pond, there were 40 lotus plants in the previous year. If the reproduction rate is such that 6 new plants are added each year, what will be the birth rate of the plants?
Choose the correct option that describes the mutual benefit or harm between two organisms: "One benefits while the other neither benefits nor suffers."
In the context of the central nervous system, which of the following is incorrect?
Out of the following five organisms, how many show bisexual reproduction as well as internal fertilization?
Earthworm, Frog, Cockroach, Human, Sparrow
Which of the following types of analysis correlates with Mendel's laws?
Which of the following is true about Thalassemia?
Which of the following types of food supports the largest population?