$m_1v_1 + m_2v_2 = (m_1 + m_2)v_{CM}$ $5×7 + 2×0 = (5+2)v_{CM}$ $v_{CM} = \frac{35}{7}$ $v_{CM} = 5

(D) Treated bacteria, virus and protein

Answer (B) Hypocotyl

4. Shape The word hollow represents the shape of the object.

Answer is (D) Carbon family, [Rn]$5f^{14} 6d^{10} 7s^2 7p^2$

Answer: 16 orbitals The number of orbitals associated with a principal quantum number $n = n^2$. Fo...

(D) Nucleolus Ribosomes are produced in Nucleolus.

(B) 38 2 ATP molecules are produced during glycolysis and 36 ATP molecules during Kreb's Cycle.

(D) Polytene chromosomes- Oocytes of amphibians Polytene chromosomes are found in the salivary gland...

(A) Ribozyme Ribozyme is one of the few enzymes which are not proteinaceous but are made up of nucl...

(A) Two homologous chromosomes. Pairing of homologous chromosomes is known as Synapsis.

(B) Oscillatoria Because oscillatoria is a cyanobacteria and cyanobacteria perform oxygenic photosy...

(D) Sucker Vegetative propagation in mint occurs by sucker.

Let the total time taken to hit the ground be $t$ Distance covered in nth second is given by $H = \f...

Correct option is (2) At the top of a hill the riders experience weightlessness. It means that the c...

(C) Loose smut of wheat