List of practice Questions

The kinetic energy of a particle executing simple harmonic motion is
A. maximum at equilibrium position
B. constant
C. minimum at extremes positions
D. zero
E. negative
Choose the correct answer from the options given below.
Which of the following produces nitrogen gas after the reaction with nitrous acid?
What is the slurry mass of food that forms in the mouth due to chewing called?
The Ova (Gametes) produd by a woman contains how many types of sex chromosomes?
Which acid renders the acidic pH in stomach for the activity of protein digesting enzymes?
According to Mendel's first law the monohybrid phenotypic ratio is
Which hormone helps for the long time storage of seeds?
Men produ sperms from which age onwards?
Flowers having both the stamens and carpels are called
Which of the following organisms exhibit regeneration?
What is the pross of joining two stems to grow as a single plant?
Diabetes is related to this gland
Dodder plant (Cuscuta) belongs to __ family.
Energy currency of the ll is called __.
In Chloroplast chlorophyll is present in ___
Deficiency of ___ vitamin leads to fertility disorders.
In which year was Kolleru lake declared as a Bird Sanctuary?
IUCN (International Union for Conservation of Nature) was founded in which year?
Women have which type of sex chromosomes?
What is the name of Darwin's ship which he used for world voyage?
Coal, Petroleum (oil) and Natural Gas belong to which type of fuels?
What are the interconnected food chains called?
Cluster of air sacs in lungs are called ___
If $\vec{a} = 2\hat{i} - t\hat{j} - 2\hat{k}$ and $\vec{b} = 6\hat{i} + 2\hat{j} - 3\hat{k}$ are two vectors such that $\vec{a} \cdot \vec{b}$ is minimum, then $t=$
If $\vec{a} = 2\hat{i} - \hat{j} + 3\hat{k}$, $\vec{b} = -3\hat{i} + 5\hat{j} - 4\hat{k}$, $\vec{c} = 6\hat{i} - 4\hat{j} + 5\hat{k}$, then $(\vec{a} \times \vec{b}) \cdot (\vec{b} \times \vec{c}) = $