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Which of the following statements is not correct?
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree:
The work done during the expansion of a gas from a volume of $4\text{ dm}^3$ to $6\text{ dm}^3$ against a constant external pressure of $3\text{ atm}$ is:
Two circular coils 1 and 2 are made from the same wire but the radius of the 1st coil is twice that of the 2nd coil. What is the ratio of the potential difference applied across them so that the magnetic field at their centres is the same?
For irreversible expansion of an ideal gas under isothermal conditions, the correct option is:
As the temperature increases, the electrical resistance:
For the logic circuit shown, the truth table is:
A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by
If we study the vibration of a pipe open at both ends, then which of the following statements is not true:
A ball is thrown vertically upwards. Which of the following plots represents the speed-time graph of the ball during its height if the air resistance is not ignored?
The difference between amylose and amylopectin is
A current-carrying closed loop in the form of a right-angle isosceles triangle ABC is placed in a uniform magnetic field acting along AB. If the magnetic force on the arm BC is F, the force on the arm AC is:
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
Which of the following statement is not correct regarding a rhizome?
In glycolysis, the conversion of 1, 3-bisphosphoglyceric acid to 3-phosphoglyceric acid is:
Match the trophic levels with their correct species examples in grassland ecosystem. (a) Fourth trophic level (i) Crow (b) Second trophic level (ii) Vulture (c) First trophic level (iii) Rabbit (d) Third trophic level (iv) Grass Select the correct option
For a plane electromagnetic wave propagating in $x$-direction, which one of the following combination gives the correct possible directions for electric field ($E$) and magnetic field ($B$) respectively?
Match the following Column-I with Column-II: Column-I A. Synapsis aligns homologous chromosomes B. Synthesis of RNA and protein C. Action of enzyme recombinase D. Centromeres do not separate, but chromosomes move towards opposite poles Column-II (i) Pachytene (ii) Zygotene (iii) G2-phase (iv) Anaphase I
Diadelphous stamens are found in:
A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following mode of inheritance might be the reason for this disease?