List of practice Questions

If a PCR reaction is carried out 30 times, how much can the DNA sequence increase?
Which microorganism is used in plant genetic engineering?
Identify the incorrect statement related to the following context:
The model experiment for assessing certain types of genetically modified animals can be conducted.
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.
What method is used for the production of "Pomato"?
Choose the correct option that describes the mutual benefit or harm between two organisms: "One benefits while the other neither benefits nor suffers."
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?
Which of the following types of food supports the largest population?
Which of the following is not a component of the digestive system?
Which of the following conditions is associated with "overeating"?
The event of species extinction differs from the earlier extinction and the first five extinctions because the main difference is that this extinction...
What did Alexander von Humboldt first describe?
In a pollen sample, 4 hybrid plants are found. If 1000 offspring are generated, how many hybrid offspring will there be?
Which of the following plant families' pollen cannot remain viable for months?
Match the items from Column - 1 with Column - II and select the correct option.
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?
In the given diagram, identify the structure labeled 'X' and select the correct number of cells.
Which of the following are auxiliary ducts in the female reproductive system?
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 are signs of STIs (Sexually Transmitted Infections)?
(i) Genital itching
(ii) Bleeding
(iii) Normal pain
(iv) Abdominal swelling
Which of the following is true about Thalassemia?
In the given flowchart related to nitrogen cycle, choose the correct option for X and Y.
Atmospheric Nitrogen → Biological Nitrogen Fixation → (X) → Nitrates Ammonification → (Y)
Out of the following five organisms, how many show bisexual reproduction as well as internal fertilization?
Earthworm, Frog, Cockroach, Human, Sparrow