NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry Coaching Programs
๐น Video Course 2024 (8 Lectures [4 Hrs : 33 Mins]): Offline Support
Click Here to View & Get Complete Material
Rs. 100.00
1 Month Validity (Multiple Devices)
โณ ๐ฏ Online Tests (5 Tests [50 Questions Each]): NTA Pattern, Analytics & Explanations
Click Here to View & Get Complete Material
Rs. 500.00
3 Year Validity (Multiple Devices)
๐ Study Material (159 Notes): 2024-2025 Syllabus
Click Here to View & Get Complete Material
Rs. 350.00
3 Year Validity (Multiple Devices)
๐ฏ 3111 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Click Here to View & Get Complete Material
Rs. 650.00
3 Year Validity (Multiple Devices)
NCERT Class VIII Science Solutions: Chapter 8 - Cell Structure and Functions Part 4
Question 22:
Which of the following statements are true for eukaryotic cells?
- They do not have a nuclear membrane.
- They have a well-organized nucleus.
- They have a nuclear membrane.
- Blue green algae are eukaryotic cells.
- ii and iv
- ii and iii
- i and ii
- i and iv
Answer: B
Question 23:
Identify the correct statement about cells.
- All the cells have nucleus.
- Cells of an organ have similar structure.
- Cells of a tissue have similar structure.
- Shape of all types of cells is round.
Answer: C
Question 24:
The table given below has certain terms and four blank spaces named A, B, C and D.
Cell | Feature/part | Function |
---|---|---|
Amoeba | A | Movement |
Plant cell | Plastid | B |
C | Spindle shaped | Contraction |
Nerve cell | D | Stimuli and response |
From the options given below choose the correct combination of terms.
- A-Pseudopodia; B-Respirations; C-Muscle cell; D-Branched
- A-Pseudopodia; B-Photosynthesis; C-Muscle cell; D-Branched
- A-Contractile vacuole; B-Photosynthesis; C-Blood cell; D-Spindle shaped
- A-Pseudopodia; B-Photosynthesis; C-Cheek cell; D-Spindle shaped
Answer: B
VERY SHORT ANSWER QUESTIONS
Question 25:
In leaves, name the cell organelle and pigment that is responsible for green colour.
Answer:
Chloroplast and chlorophyll
Question 26:
The instrument used to observe cells is ________
Answer:
The instrument used to observe cells is Microscope
Question 27:
We do not sense any pain when we clip our nails or cut our hair. Why?
Answer:
Nails and hair are both made up of dead cells. They do not have nerve cells. Hence we donีt feel the pain when they are cut.
Question 28:
In a cell, where are the genes located?
Answer:
Nucleus/chromosomes