Home
E-Books
Jobs
News
Results
Competition Exams
Admissions
Generate Test
Make Quiz
mcqs of
,
1 : Which of the following demonstrates the level of organization of the body, from simplest to most complex?
A
:
Cell-organ-Tissue- Organelle- Organ system
B
:
Organ- Cell –Tissue- Organ- Organ system
C
:
Tissue-cell 0organelle- organ- Organ system
D
:
Organ system –Tissue- Cell- Organelle- Organ
2 : A higher level of organization exhibits emergent properties when:
A
:
Its parts function independently.
B
:
The sum of its parts greater than the whole.
C
:
The individual parts are more important than whole:
D
:
Its parts interact perform more function:
3 : In the wall of stomach, which tissue also contains blood vessels and nerves?
A
:
Epithelial
B
:
Muscle
C
:
Inner connective
D
:
Outer connective
4 : Which of these is function of the human skeletal system?
A
:
Storing minerals and producing blood cells
B
:
Removing carbon dioxide from blood
C
:
Filtering blood to remove waste products
D
:
Breaking down food for energy
5 : In a leaf which tissue is responsible for photosynthesis?
A
:
Xylem
B
:
Mesophyll
C
:
Epidermis
D
:
Phloem
6 : What is the primary function of the xylem tissue in a leaf?
A
:
To transport sugars to other parts
B
:
To transport water to parts to leaf
C
:
To synthesize chlorophyll
D
:
To control the opening and closing of stomata
7 : In a plant, which of the following is the primary function of the flower?
A
:
Transporting water and minerals
B
:
Supporting leaf growth
C
:
Facilitating reproduction through pollination
D
:
Regulation gas exchange
8 : Which structure are responsible for the transport of food in plant bod?
A
:
Xylem tissue
B
:
Palisade mesophyll
C
:
Phloem tissue
D
:
Spongy mesophyll
9 : Which of the following demonstrates the level of organization of the body, from simplest to most complex?
A
:
Cell-organ-Tissue-Organelle-Organ system
B
:
Organ-Cell-Tissue-Organ-Organ system
C
:
Tissue-cell-organelle-organ-Organ system
D
:
Organelle-Cell-Tissue-Organ-Organ system
10 : A higher level of organization exhibits emergent properties when:
A
:
Its parts function independently
B
:
The sum of its parts is greater than the whole
C
:
The individual parts are more important than whole
D
:
Its parts interact to perform more functions
11 : In the wall of stomach, which tissue also contains blood vessels and nerves?
A
:
Epithelial
B
:
Muscle
C
:
Connective
D
:
Nervous
12 : Which of these is a function of the human skeletal system?
A
:
Storing minerals and producing blood cells
B
:
Removing carbon dioxide from blood
C
:
Filtering blood to remove waste products
D
:
Breaking down food for energy
13 : Which structures are responsible for the transport of food in plant body?
A
:
Xylem tissue
B
:
Palisade mesophyll
C
:
Phloem tissue
D
:
Spongy mesophyll
14 : In a plant, which of the following is the primary function of the flower?
A
:
Transporting water and minerals
B
:
Supporting leaf growth
C
:
Facilitating reproduction through pollination
D
:
Regulating gas exchange
15 : What is the primary function of the xylem tissue in a leaf?
A
:
To transport sugars to other parts
B
:
To transport water to parts of leaf
C
:
To synthesize chlorophyll
D
:
To control the opening and closing of stomata
16 : In a leaf, which tissue is responsible for photosynthesis?
A
:
Xylem
B
:
Mesophyll
C
:
Epidermis
D
:
Phloem
17 : What is the smallest unit of matter that retains the properties of an element?
A
:
Molecule
B
:
Atom
C
:
Cell
D
:
Organelle
18 : What is the primary function of mitochondria?
A
:
Protein synthesis
B
:
Cellular respiration
C
:
Photosynthesis
D
:
Water transport
19 : Which of the following is an example of a molecule?
A
:
Hydrogen
B
:
Ribosome
C
:
Water
D
:
Skin
20 : What type of tissue covers body surfaces and lines cavities?
A
:
Muscle tissue
B
:
Epithelial tissue
C
:
Vascular tissue
D
:
Connective tissue
21 : Which plant tissue is responsible for water transport?
A
:
Epidermal tissue
B
:
Phloem
C
:
Xylem
D
:
Cuticle
22 : What is an example of an organ in animals?
A
:
Muscle tissue
B
:
Heart
C
:
Ribosome
D
:
Root
23 : What is an example of an emergent property at the cellular level?
A
:
Protein synthesis
B
:
Tissue contraction
C
:
Water transport
D
:
Photosynthesis in leaves
24 : Which level of organization involves tissues working together?
A
:
Organelle
B
:
Organ
C
:
Organ system
D
:
Molecule
25 : What is an example of an emergent property at the cellular level?
A
:
Individual organelle function
B
:
Cellular respiration
C
:
Consciousness
D
:
Nutrient transport in blood
26 : What makes up an organ system?
A
:
Cells
B
:
Tissues
C
:
Organs
D
:
Organelles
27 : Which of the following is a multicellular organism?
A
:
Bacterium
B
:
Frog
C
:
Virus
D
:
Plasmodium
28 : What type of mesophyll is tightly packed and located beneath the upper epidermis?
A
:
Spongy mesophyll
B
:
Palisade mesophyll
C
:
Vascular tissue
D
:
Guard cells
29 : Muscle tissue is specialized for:
A
:
Transport
B
:
Movement
C
:
Protection
D
:
Respiration
30 : Which organ performs photosynthesis in plants?
A
:
Root
B
:
Leaf
C
:
Stem
D
:
Flower
31 : What is the function of ribosomes?
A
:
Synthesizing proteins
B
:
Transporting nutrients
C
:
Generating energy
D
:
Protecting the cell
32 : What is the role of xylem in plants?
A
:
Transporting food
B
:
Transporting water
C
:
Protecting tissues
D
:
Conducting photosynthesis
33 : What tissue in leaves is rich in chloroplasts?
A
:
Xylem
B
:
Phloem
C
:
Mesophyll
D
:
Epidermis
34 : Which organ system facilitates nutrient absorption in animals?
A
:
Respiratory system
B
:
Digestive system
C
:
Circulatory system
D
:
Nervous system
35 : What do stems contain to transport water and nutrients?
A
:
Mesophyll tissue
B
:
Stomata
C
:
Vascular tissue
D
:
Epidermal tissue
36 : Which tissue type helps plants prevent water loss?
A
:
Vascular tissue
B
:
Epidermal tissue
C
:
Root tissue
D
:
Muscle tissue
37 : What process occurs in leaves and is responsible for water vapor loss?
A
:
Photosynthesis
B
:
Transpiration
C
:
Diffusion
D
:
Nutrient absorption
38 : What is the role of flowers?
A
:
Transpiration
B
:
Storing nutrients
C
:
Photosynthesis
D
:
Reproduction
39 : What structure anchors the plant in soil?
A
:
Leaves
B
:
Stems
C
:
Roots
D
:
Flowers
40 : What is the role of spongy mesophyll?
A
:
Supporting the plant
B
:
Facilitating gas diffusion
C
:
Transporting water
D
:
Protecting tissues
41 : Which tissue in leaves controls gas exchange?
A
:
Spongy Mesophyll
B
:
Vascular tissue
C
:
Epidermal tissue
D
:
Guard cells
42 : Which tissue type is responsible for photosynthesis in leaves?
A
:
Epidermal tissue
B
:
Spongy mesophyll
C
:
Palisade mesophyll
D
:
Vascular tissue
43 : Which tissue is found in the veins of the leaf?
A
:
Palisade mesophyll
B
:
Vascular tissue
C
:
Guard cells
D
:
Spongy mesophyll
44 : What is the function of the cuticle on leaves?
A
:
Facilitating gas diffusion
B
:
Preventing water loss
C
:
Supporting the plant
D
:
Transporting minerals
45 : What is the primary function of the heart?
A
:
Gas exchange
B
:
Pumping blood
C
:
Digesting food
D
:
Producing hormones
46 : Which organ facilitates the exchange of oxygen and carbon dioxide?
A
:
Liver
B
:
Stomach
C
:
Lungs
D
:
Brain
47 : Which organ is the control center of the human body?
A
:
Liver
B
:
Brain
C
:
Heart
D
:
Pancreas
48 : Which organ filters blood and produces bile?
A
:
Kidney
B
:
Pancreas
C
:
Liver
D
:
Stomach
49 : Which organ secretes insulin?
A
:
Liver
B
:
Pancreas
C
:
Intestines
D
:
Brain
50 : Which tissue in the stomach secretes gastric juice?
A
:
Connective tissue
B
:
Muscle tissue
C
:
Epithelial tissue
D
:
Connective tissue
51 : What protects the stomach lining from acid?
A
:
Gastric juice
B
:
Mucus
C
:
Pepsin
D
:
Hydrochloric acid
52 : Which organ system includes bones and cartilages?
A
:
Muscular system
B
:
Skeletal system
C
:
Nervous system
D
:
Digestive system
53 : Which organ stores glucose in the human body?
A
:
Kidneys
B
:
Liver
C
:
Stomach
D
:
Brain
54 : Which layer of muscle in the stomach is the innermost?
A
:
Longitudinal layer
B
:
Circular layer
C
:
Oblique layer
D
:
Connective layer
55 : Which organ is the primary site of nutrient absorption?
A
:
Stomach
B
:
Intestines
C
:
Liver
D
:
Kidneys
56 : What is homeostasis?
A
:
Ability to fight diseases
B
:
Stable internal environment
C
:
Growth and repair of cells
D
:
Production of hormones
57 : Which organ system regulates body temperature through sweating?
A
:
Integumentary system
B
:
Digestive system
C
:
Cardiovascular system
D
:
Nervous system
58 : What happens when body temperature rises during hard work?
A
:
Shivering occurs
B
:
Sweating occurs
C
:
Blood sugar level drops
D
:
Breathing rate decreases
59 : Which organ system eliminates waste materials and regulates water balance?
A
:
Urinary system
B
:
Digestive system
C
:
Cardiovascular system
D
:
Nervous system
60 : Which hormone is released when blood glucose levels rise after drinking juice?
A
:
Glucagon
B
:
Insulin
C
:
Adrenaline
D
:
Thyroxine
61 : Which organ system protects the body from external factors?
A
:
Skeletal system
B
:
Integumentary system
C
:
Digestive system
D
:
Respiratory system
62 : What regulates the body's response to changes in the environment?
A
:
Cardiovascular system
B
:
Nervous and endocrine systems
C
:
Urinary system
D
:
Muscular system
63 : Which organ system works with the cardiovascular system to maintain pH levels?
A
:
Muscular system
B
:
Urinary system
C
:
Nervous system
D
:
Respiratory system
64 : Which hormone lowers blood glucose levels?
A
:
Glucagon
B
:
Insulin
C
:
Adrenaline
D
:
Thyroxine
65 : What happens when the body requires more oxygen during exercise?
A
:
Heart rate decreases
B
:
Breathing rate increases
C
:
Sweat production increases
D
:
Shivering occurs
66 : Which mesophyll tissue facilitates gas diffusion through air spaces?
A
:
Epidermis
B
:
Palisade mesophyll
C
:
Spongy mesophyll
D
:
Xylem
67 : What is the cuticle on the epidermis responsible for?
A
:
Gas exchange
B
:
Reducing water loss
C
:
Photosynthesis
D
:
Absorbing nutrients
Biology 9th MCQs || Ilam Ghar
Chapter 5 : Tissurs, Organs, And Organ Systems
Biology 9th
