An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be:

A 45 kW motor winds a cable around a drum while lifting a 2700 kg mass to a height of 6 m in 3 sec. The power lost to the friction (in kW) is: (take g = 10 m/s²)

An insect trapped in a circular groove with a radius of 12 cm continuously moves along the groove and completes 7 revolutions in 100 s. Regarding the motion of the insect, consider the following statements: (i) The linear speed is 5.3 cm/s. (ii) Acceleration is not a constant vector. (iii) The magnitude of acceleration is constant 2.3 cm/s². Choose the correct option:

Ram measures the period of oscillation of a simple pendulum. In successive measurements, the readings are 2.63 s, 2.56 s, 2.42 s, 2.71 s and 2.80 s. The mean absolute error and percentage error are respectively:

What does 'bioprospecting' refer to?

The region of the vertebrate eye, from where the optic nerve passes out of the retina, is called the:

The hormone responsible for ovulation is:

Match Column-I with Column-II and select the correct answer from the given code:

'Jaya' and 'Ratna' are varieties of:

2.5 g of sugar is dissolved in 47.5 g of water. What is its concentration as percent by mass?

When lead nitrate is heated in glass tube: (i) A double decomposition reaction takes place. (ii) Brown fumes of NO₂ are evolved. (iii) White residue is left behind in the glass tube. Out of (i), (ii) and (iii) which statement(s) are correct?

The correct order of atomic radii of the following elements is:

Which of the following is a chemical change?

The pH of a neutral solution is:

Which of the following is not a renewable source of energy?

The SI unit of electric current is:

From the given options choose the one that does not belong to the group based on solubility:

Consider the following statements: (i) Any dc-generator can also function as a simple dc-motor. (ii) The induced electromotive force produced in an AC Generator reverses direction twice per period. Choose the correct option:

Which of the following statement is incorrectly matched?

A long solenoid has 500 turns per meter and a cross sectional area 4 cm². The current in its winding is increasing at 100 A/s. The magnitude of the induced electric field within the loop, if its radius is 2 cm, is:

A 50 N sled rests on a horizontal surface. A horizontal pull of 10 N is required just to start the sled moving. After motion is started, only a 5 N force is needed to move the sled with a constant velocity. The coefficient of static and kinetic friction are respectively:

An ionic compound of element X and chlorine has formula MCl₃. The molecular mass of MCl₃ is 118.5. What will be the molecular mass of oxide of element X?

In which part of the nephron does glucose reabsorption take place?

The atomic mass of an element is determined by the number of:

A balloon operates at an altitude where the air density is 0.90 kg/m³. At this altitude, the balloon has a volume of 20 m³ and is filled with helium (ρHe = 0.178 kg/m³). If the weight of the balloon bag is 88 N, the load (in N) it can support at this level is: (take g = 10 m/s²)

Mucor is associated with:

A 200 N block rests on a frictionless inclined plane of angle of inclination 30°. A cord attached to the block passes over a frictionless pulley at the top of the plane and is attached to a second block. If the system is in equilibrium, then the weight of second block (in N) approximately is:

The wavelength of the first line of the Balmer series of hydrogen atom is:

Which of the following is not correctly matched?

Which one is not a crystalline allotrope of carbon?

Which of the following substance is not applied on the head of a matchstick made up of a suitable wood?

What happens during the G1 phase of the cell cycle?

Which of the following is used in manufacturing of steel?

For an object to be seen sharply, the image must be formed exactly at the location of the:

Match the substances given in Column-I which are useful in the treatment of those given in Column-II:

Which substance is used to prevent rusting of iron in galvanisation process?

Which of the following is a biodegradable waste?

Which of the following is a greenhouse gas?

The process of converting a gas into a liquid is called:

Which of the following is a primary consumer?

Select the primary consumer from their food chain (choose the most appropriate option):

Which of the following is type of sedimentary cycle?

Vijay is unable to focus on objects closer than 2.5 m from his eyes. Approximately what refractive power should his corrective lens have?

Solder is an alloy of:

'Sequoia' (the giant redwood tree), one of the tallest tree species, is associated with:

The average force required to stop a bullet of mass 16 g moving at a speed of 260 m/s, when it penetrates a block of wood to a distance of 12 cm, is:

Name the method which is based on the fact that ovulation and therefore the cycle do not occur during the period of intense lactation following parturition:

Which of the following is involved in the modification, sorting and packaging of proteins?

Choose the incorrect statement:

Out of the following relation, which is not a solution of the one-dimensional wave equation?

For refraction at a concave spherical surface (separating glass-air medium), the distance of the object should be greater than 'z' times the radius of curvature of the refracting surface for the image to be real, the value of 'z' is:

The middle zone of a candle flame is also called the zone of ................ combustion.

Which of the following is not correctly matched?

The characteristic texture of 'Swiss Cheese' is due to:

Which of the following fuel has the highest calorific value?

Which of the following is not caused by the atmospheric refraction of light?

Which of the following is not a characteristic feature of all living organisms?

A voltmeter with a resistance of 1800 Ω can be used to measure the potential difference across a 200 Ω resistor. Equivalent resistance of circuit will be:

Which of the following condition is most favourable for converting gas into liquid?