Question

Attempt any Eight questions
1What are the constituents of phloem?
2Draw a well labelled diagram of animal cell or plant cell
3Why the cell is called the structural and functional unit of life?
4Draw a well labelled diagram of neuronnerve cell).
5Write the differences between plant cell and animal cell.
6Difference between prokaryotic and Eukaryotic cell.
7Who discovered cells and how
8Name the types of simple tissues
9Why are lysosomes known as suicidal bag?
10What is the specific function of cardiac muscle?​

Answer 1

Answer:

7)Robert hook

Explanation:

By observing cork of a tree

Answer 2

Answer:

Hellooo✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️.......

1.

Companion cells – it appears to check the activity of the adjacent sieve element and participates in loading and unloading of the sugar into the sieve element .

Sieve tubes – these elongated living cells, conveys carbohydrates, chiefly sucrose from leaves to roots and fruits

Phloem fibres – they are commercially useful as they possess great pliability and tensile strength

Phloem parenchyma – also known as transfer cells, they are found near the finest branches, ends of sieve tubes in leaf veinlets, functional here in conveying food

2.

Reffer to the first attachment .

4.

reffer to the second attachment .

5.

Animal cell:It has irregular shape.

plant cell: it has regular shape.

For more reffer to the third attachment .

6.

Reffer to the fourth attachment

7.

reffer to the fifth attachment

8.

Simple tissues are of three types namely parenchyma, collenchyma and sclerenchyma.

Hope it helps U✌️✌️✌️✌️✌️✌️....