Draw a scientific diagram of the vertical section of a human eyeball and label the following parts: [3+2=5]
(a) Choroid
(b) Lens
(c) Cornea
(d) Vitreous humour
OR
Draw a scientific diagram of the anaphase stage of mitotic cell division in an animal cell and label the following parts- [3+2=5]
(a) Centromere
(b) Daughter chromosome
(c) Polar region
(d) Spindle fibre
WBBSE
Class X
Life Science
01 (d) Nervous System
02 (a) Cell Division and Cell Cycle
05 Mark
2023
Vertical section of a human eyeball
Or
The anaphase stage of mitotic cell division
Related Questions
More WBBSE Easy level questions
1/12
Q.
Write one function each of mitochondria and centrosome.
A.
Mitochondria: Generates energy in the form of ATP. Centrosome: Helps in the...
Q.
Write two differences between axon and dendron.
A.
Axon Dendron 1. Single, long process in a neuron. 1. Several, short...
Q.
What is the function of the ribosome?
A.
Ribosome helps in protein synthesis. Explanation: Ribosomes are small cellular organelles composed...
Q.
On the basis of the relationship in the first related pair of words, write a...
A.
Meiosis Explanation: Mitosis is equational division, meaning it produces daughter cells with...
Q.
____ cell division maintains the number of chromosomes constant in a species.
A.
Mitotic Explanation Mitotic cell division is a process of cell division that...
Q.
Which of the following is correct regarding the Chemical Composition of nucleotide?
A.
(d) 5 - C Sugar + Nitrogenous base + Phosphoric Acid =...
Q.
Cornea, Choroid, Lens, Aqueous humour, Iris, Vitreous humour — how many of these are refractory...
A.
(b) 4 Explanation The refractory media of the human eye are the...
Q.
Which of the following is not a structural feature of an Axon? (a) Node of...
A.
(c) Nissl granule Explanation A neuron consists of three parts — cell...
Q.
Write the functions of each of the following parts of a neurone : (a) Dendron...
A.
Functions of Parts of a Neurone Part Function Dendron Receives impulses from...
Q.
Draw a scientific diagram of a neurone and label the following parts
A.
Or
Q.
Explain the following three significances of cell division
A.
Growth: Cell division increases the number of cells, allowing an organism to...
Q.
Write one function of each of the following five parts of the human eyeball: (a)...
A.
Part Function Cornea Refracts (bends) light entering the eye onto the lens....