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Science Test Series for class 9th

This test series covers the complete syllabus for the upcoming science exam. 35% is required to pass

Class 9th
40 Questions
40.00 Marks
Pass: 14.00

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Q1 • MCQ • 1 marks
Who discovered the free-living cells in pond water for the first time?
Q3 • MCQ • 1 marks
Which of the following organelles contains its own DNA and ribosomes?
Q4 • MCQ • 1 marks
Which specific cell division process produces four daughter cells, each containing only half the amount of DNA/chromosomes as the parent cell, for gamete formation?
Q5 • MCQ • 1 marks
Which organelle is known as the "Powerhouse of the cell"?
Q6 • MCQ • 1 marks
Plasmolysis in a plant cell is defined as the shrinkage of cytoplasm in a:
Q7 • MCQ • 1 marks
Which cell organelle plays a crucial role in detoxifying many poisons and drugs in the liver cells of vertebrates?
Q8 • MCQ • 1 marks
The cell wall of a plant is mainly composed of which substance?
Q9 • MCQ • 1 marks
Why are Lysosomes known as "Suicide bags" of a cell?
Q10 • MCQ • 1 marks
Which organelle is responsible for packaging and dispatching materials synthesized near the endoplasmic reticulum?
Q11 • MCQ • 1 marks
A cell will swell up if placed in which type of solution?
Q12 • MCQ • 1 marks
Which of the following is an example of a cell that can change its shape?
Q13 • MCQ • 1 marks
The process by which an Amoeba acquires its food from the external environment is called:
Q14 • MCQ • 1 marks
Chromosomes are made up of which components?
Q15 • MCQ • 1 marks
Which of these features is present in a prokaryotic cell but absent or poorly defined compared to a eukaryotic cell?
Q16 • MCQ • 1 marks
The functional segments of DNA are called:
Q17 • MCQ • 1 marks
Which plant organelle contains the green pigment chlorophyll necessary for photosynthesis?
Q18 • MCQ • 1 marks
Ribosomes are the primary sites for the synthesis of which cellular component?
Q19 • MCQ • 1 marks
The plasma membrane is described as selectively permeable because:
Q20 • MCQ • 1 marks
Which organelle occupies the largest volume (up to 90%) in a mature plant cell?
Q21 • MCQ • 1 marks
Who proposed the modification to the cell theory stating that "All cells arise from pre-existing cells"?
Q22 • MCQ • 1 marks
Kitchen of the cell is called:
Q23 • MCQ • 1 marks
How does an Amoeba obtain its food? Name the process involved.
Q24 • MCQ • 1 marks
If a plant cell is placed in a hypertonic solution, what phenomenon will occur, and what will happen to the cytoplasm?
Q25 • MCQ • 1 marks
Which of the following statements correctly differentiates a Prokaryotic cell from a Eukaryotic cell
Q26 • MCQ • 1 marks
Why is the plasma membrane called a selectively permeable membrane?
Q27 • MCQ • 1 marks
What will happen if we put an animal cell (like a red blood cell) into a hypotonic solution?
Q28 • MCQ • 1 marks
Which cell organelle is responsible for the synthesis of lipids and fats essential for cell membrane biogenesis?
Q29 • MCQ • 1 marks
Which organelle is involved in the formation of lysosomes?
Q30 • MCQ • 1 marks
Why are lysosomes structurally able to digest foreign material and worn-out cell organelles?
Q31 • MCQ • 1 marks
Plant cell walls allow the cells to withstand very dilute (hypotonic) external media without bursting because:
Q32 • MCQ • 1 marks
Chromatin material is visible as an entangled mass of thread-like structures only when the cell is:
Q33 • MCQ • 1 marks
Plastids that contain pigments other than green, which give colors to fruits and flowers, are called:
Q34 • MCQ • 1 marks
What is the primary function of Leucoplasts in plant cells?
Q35 • MCQ • 1 marks
The internal organization of a Plastid consists of numerous membrane layers embedded in a material called the:
Q36 • MCQ • 1 marks
Vacuoles in plant cells are filled with cell sap and provide what features to the cell?
Q37 • MCQ • 1 marks
Which type of cell division results in the growth and repair of tissues by forming two identical daughter cells with the same number of chromosomes?
Q38 • MCQ • 1 marks
Which of the following is the largest isolated single cell found on Earth?
Q39 • MCQ • 1 marks
Which is the longest cell found in the human body?
Q40 • MCQ • 1 marks
Which is the largest cell found inside the human body?
Q41 • MCQ • 1 marks
What is the specific chemical composition of the plasma membrane?

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