কাজ
সাধারণ সর্দি চিকিৎসায় নির্দেশিত হয়।
The roots of the equation x2 + 2x + 9 =0 are imaginary as the discriminant D= 4-36= -32 , which is negative. As the imaginary roots of a quadratic equation are...
1 Answers 1 viewsThis is simple but mind blowing question
1 Answers 1 viewsThere is a high tension and low pressure created in the root hair epidermis. This is because of the transpiration pull exerted by loss of water by transpiration. This low pressure favors osmotic uptake...
1 Answers 1 viewsAnswer 1: Primarily, there are two types of root systems found in plants, namely the tap root system and fibrous root system. The main function of the roots is to absorb...
1 Answers 1 viewsRoot pressure is the positive pressure that develops in the roots of plants by the active absorption of nutrients from the soil. When the nutrients are actively absorbed by root...
1 Answers 1 viewsIn plants, nutrients are absorbed through the active and passive transports. The endodermal cells of the roots containing suberin allow only selected minerals to pass through them. The transport proteins...
1 Answers 1 viewsMultiple interactions are involved in the formation of root nodules. The Rhizobium bacteria divide and form colonies. These get attached to the root hairs and epidermal cells. The root hairs...
1 Answers 1 viewsIn root nodules nitrogen fixing Rhizobium bacteria are present which increases the soil fertility.
1 Answers 1 viewsPteridophyta do not have (c) flowers
1 Answers 1 views