Which of the following is an example of a modified stem that stores food? MCQ with Answer and Explanation

Explanation:
Joint Forest Management (JFM) is a concept introduced in India (first in West Bengal in 1988) to address the problem of forest degradation. It involves establishing a partnership between the state forest departments and local communities living near the forests. The communities are given the responsibility to protect and manage the degraded forest lands in exchange for a share in the produce (like non-timber forest products, timber) and employment opportunities, fostering a sense of ownership and sustainable conservation.

Explanation:
Selective permeability means the membrane controls entry and exit of substances based on size, charge, and solubility. R defines this property and explains A.

Explanation:
Ribosomes are dense, spherical, non-membranous structures composed of RNA and proteins. They are the cellular factories for protein synthesis. Prokaryotic ribosomes are 70S (50S + 30S subunits), while eukaryotic cytoplasmic ribosomes are 80S (60S + 40S subunits). Therefore, statements 1 and 3 are correct, but statement 2 is false.