List of practice Questions

Functional residual capacity can be represented as
Functional unit of skeletal muscle is called
Froth floatation process of concentration is based on the
Fruit of custard apple is :
Fruit shape in shephered's purse (Capsella bursa) is of two types? Which pair of strains possess the genotype $Tt$ ?
From the top of tower, a stone is thrown up. It reaches the ground in $t_1$ s. A second stone thrown down with the same speed reaches the ground in $t_2$ s. A third stone released from rest reaches the ground in $t_3$ s. Then
Froth floatation process for the concentration of ores is an illustration of the practical application of
From the top of a cliff 25 metres high, the angle of elevation of the top of a tower found to be equal to the angle of depression of the foot of the tower, then the height of the tower is.
From the top of a tower, a particle is thrown vertically downwards with a velocity of 10 m/s. The ratio of distances covered by it in the 3rd and 2nd seconds of its motion is (Take g = $10 m/s^2$)
From the origin, chords are drawn to the circle $(x - 1)^2 + y^2 = 1$, then equation of locus of middle points of these chords, is -
From the following relationships between respiratory volumes and capacities, mark the correct option. (i) Inspiratory Capacity $(IC) = $Tidal Volume $+$ Residual Volume (ii) Vital Capacity $(VC) =$ Tidal Volume $(TV) +$ Inspiratory Reserve Volume $(IRV) +$ Expiratory Reserve Volume $(ERV)$ (iii) Residual Volume $(RV) =$ Vital Capacity $(VC) -$ Inspiratory Reserve Volume $(IRV)$ (iv) Tidal Volume $(TV) =$ Inspiratory Capacity $(lC) -$ Inspiratory Reserve Volume $(IRV)$
From a group of $5$ boys and $3$ girls three persons are chosen at random; Find the probability that there are more girls than boys
From a well shuffled pack of 52 playing cards, four are drawn at random. The probability that all are spades, but one is a king is
From a box containing 10 cards numbered 1 to 10, four cards are drawn together. The probability that their sum is even is
Frequency modulation is preferred over amplitude modulation for transmission of music because
From $50$ students taking examinations in Mathematics, Physics and Chemistry, $37$ passed Mathematics, $24$ Physics and $43$ Chemistry. At most $19$ passed Mathematics and Physics, at most $29$ passed Mathematics and Chemistry and at most $20$ passed Physics and Chemistry. The largest possible number that could have passed all three examinations is
Frequencies in the $UHF$ range normally propagate by means of
Freons are not recommended to be used in refrigerators because they
Freon is used as a
Freon-12 is used as a
Fragrant flowers with well developed nectaries are an adaptation for
Four writers must write a book containing $17$ chapters. The first and third writer must write $5$ chapters each, the second writer must write $4$ chapters and fourth writer must write three chapters. The number of ways that can be found to divide the book between four writers, is
$BF_3$ acts as an acid according to the concept of
Four students of class X, five students of class XI and six students of class XII sit in a row. The number of ways, they can sit in a row so that students belonging to the same class are together is :
Four one litre flasks are separately filled with the $O_2\,F_2,CH_4 \, and \, CO_2$ under the same conditions. The ratio of number of molecules inthese gases are