List of practice Questions

The value of $\tan 75^\circ - \cot 75^\circ$ is equal to
Two dice are tossed. The probability that the total score is a prime number is
The value of the limit as $x$ approaches $0$ for $\frac{\sin(5x){x}$ is}
If A is a square matrix of order 3 such that the determinant $|A| = 5$, what is the value of the determinant $|2A|$?
(i) Write Biot-Savart's law in vector form.
(ii) Two identical circular coils A and B, each of radius \( R \), carrying currents \( I \) and \( \sqrt{3} I \) respectively, are placed concentrically in XY and YZ planes respectively. Find the magnitude and direction of the net magnetic field at their common centre.
Which of the following substances obtained from marine organisms is used for the treatment of heart vessel blockages?
In the context of the central nervous system, which of the following is incorrect?
Which of the following statements is true regarding a specific type of cell structure?
Which of the following pairs of organs is correctly matched?
(i) Brain and Spinal Cord
(ii) Gut and Stomach
(iii) Eyes and Ears
(iv) Kidneys and Lungs
In the diagram, identify the structure marked as "%" and select the correct option.
Which chemical is responsible for causing allergies?
B - Some proteins are found in the blood and can also interact with different enzymes. What are these proteins called?
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?
In the transcription process, what is added to the sequence at the 5' end?
In the diagram showing the gene structure, what is labeled "UTR"?
In the given diagram, choose the correct options for X, Y, and Z corresponding to the tRNA binding with mRNA.
Scientists have estimated that the total number of DNA bases in humans is approximately:
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)
In a pollen sample, 4 hybrid plants are found. If 1000 offspring are generated, how many hybrid offspring will there be?