10488+ MCQ Questions in english

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10488+ MCQ Questions in english हिन्दी

5728. What does an ALU perform in a CPU?

A. Logical and arithmetic operations

B. Store permanently

C. System resources managing

D. Input/output controlling

5727. In what unit is the speed of a processor measured?

A. Hertz

B. Bytes

C. Gigabytes

D. Ohms

5726. Which of the following is an example of an optical storage device?

A. SSD

B. HDD

C. CD-ROM

D. RAM

5725. What does BIOS stand for?

A. Basic Integrated Operating System

B. Binary Input Output System

C. Basic Input Output System

D. Backup Input Output System

5724. Which of the following is NOT a valid type of memory?

A. RAM

B. ROM

C. HDD

D. Cache

5723. Which of the following is true of both eukaryotic and prokaryotic cells?

A. Both have a nucleus

B. Both contain mitochondria

C. Both have a plasma membrane

D. Both have membrane-bound organelles

5722. What is the role of the nucleolus within the cell?

A. To synthesize ribosomal RNA

B. To encapsulate proteins

C. To transcribe DNA

D. To dismantle waste materials

5721. What is the final product of cellular respiration?

A. Oxygen

B. Glucose

C. Water and carbon dioxide

D. ATP

5720. What is the final product of glycolysis?

A. Acetyl-CoA

B. Pyruvate

C. Glucose

D. NADH

5719. Which of the following is the primary source of genetic variation in populations?

A. Mitosis

B. Mutation

C. Apoptosis

D. Cytokinesis

5718. Which of the following is true of both mitosis and meiosis?

A. Both processes produce four daughter cells

B. Both involve two rounds of cell division

C. Both processes involve DNA replication before division

D. Both result in genetically unique cells

5717. What is the primary role of DNA in cells?

A. To synthesize proteins

B. To store genetic information

C. To control cell division

D. To generate energy

5716. What is the role of ATP in the cell?

A. It stores genetic information

B. It serves as an energy currency for cellular processes

C. It aids in protein synthesis

D. It forms the cell membrane

5715. Which of the following is true about the process of meiosis?

A. Meiosis results in the formation of two diploid cells

B. Meiosis occurs only in somatic cells

C. Meiosis results in the formation of four haploid cells

D. Meiosis results in identical daughter cells

5714. Which type of RNA is used to carry genetic information from the DNA to the ribosome?

A. rRNA

B. mRNA

C. tRNA

D. miRNA

5713. Where in the cell is ribosomal RNA produced?

A. Nucleolus

B. Nucleus

C. Cytoplasm

D. Mitochondria

5712. Which of the following is an example of a heterotroph?

A. Algae

B. Fungus

C. Plant

D. Cyanobacteria

5711. To what is energy ultimately transferred within the electron transport chain of cellular respiration?

A. Glucose

B. Oxygen

C. NADH

D. Water

5710. Which organelle does photosynthesis take place in plants?

A. Nucleus

B. Mitochondria

C. Chloroplast

D. Ribosome

5709. Which of the following is a product of the light-dependent reactions of photosynthesis?

A. Glucose

B. Oxygen

C. Carbon dioxide

D. NADH

5708. Which of the following describes a situation in which one allele completely masks the expression of another allele?

A. Codominance

B. Incomplete dominance

C. Complete dominance

D. Polygenic inheritance

5707. What is the function of the smooth endoplasmic reticulum (SER)?

A. Synthesize proteins

B. Detoxify chemicals and synthesize lipids

C. Package proteins for transport

D. Store calcium ions

5706. Which of the following processes is the movement of substances from an area of low concentration to high concentration?

A. Diffusion

B. Osmosis

C. Active transport

D. Facilitated diffusion

5705. What structure is exclusively found in a plant cell?

A. Nucleus

B. Chloroplast

C. Mitochondria

D. Endoplasmic reticulum

5704. Which of the following statements is correct regarding the mitotic process?

A. The end product of mitosis are two genetically identical cells

B. Mitosis only occurs in gametes

C. During mitosis four different daughter cells are produced

D. The mitotic process is divided into two divisional stages

5703. What does the Golgi apparatus of the cell perform?

A. Produces proteins

B. Reorganize and package and also prepare for export proteins

C. Makes ATP

D. Stores heredity information

5702. What is the primary difference between plant and animal cells?

A. Plant cells have chloroplasts, and animal cells do not

B. Animal cells have cell walls, and plant cells do not

C. Mitochondria present in plant cells, not found in animal cells

D. Lysosomes present in plant cells, but not found in animal cells

5701. What is the primary role of the large central vacuole in plant cells?

A. Protein synthesis

B. ATP production

C. Storage of water and nutrients

D. Cellular respiration

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