-
question_answer1)
Which of the following statements is correct?
Statement 1: Breathing is a part of respiration. |
Statement 2: Respiration is a part of breathing. |
A)
Statement 1 is correct and statement 2 is incorrect. done
clear
B)
Statement 2 is correct and statement 1 is incorrect. done
clear
C)
Both the statement 1 and 2 are correct. done
clear
D)
Both the statement 1 and 2 are correct, done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer2)
Animals which do not have lungs for breathing are:
A)
Grasshopper done
clear
B)
Earthworm done
clear
C)
Ant done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer3)
Water from roots to the leaves gets transported by the:
A)
Phloem done
clear
B)
Roots done
clear
C)
Xylem done
clear
D)
Leaves done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer4)
Blood vessel that carries blood from heart to all the parts of body?
A)
Veins done
clear
B)
Arteries done
clear
C)
Capillaries done
clear
D)
Platelets done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer5)
Tiny filters present in the kidney:
A)
Neurons done
clear
B)
Ureters done
clear
C)
Nephrons done
clear
D)
Bladders done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer6)
By mistake Ravi left a slice of bread on the kitchen slab in summers. When he came back after two days he found a dark green layer over the bread. This layer was of ___ and it reproduces by ____ .
A)
Bacteria, budding done
clear
B)
Spirogyra, fragmentation done
clear
C)
Mould, spore formation done
clear
D)
Bryophyllum, leafmotificor done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer7)
Which type of pollination is shown in the given figure?
A)
Self pollination done
clear
B)
Cross pollination done
clear
C)
No pollination done
clear
D)
Fertilization done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer8)
Burning of food to release energy is:
A)
Photosynthesis done
clear
B)
Respiration done
clear
C)
Translocation done
clear
D)
Transpiration done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer9)
\[Glu\operatorname{cose}\to Alcohol+C{{O}_{2}}+Energy\] The above chemical reaction can take place in:
A)
Human beings done
clear
B)
Dogs done
clear
C)
Yeasts done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer10)
Lower chamber of heart includes:
(i) Left atrium |
(ii) Left ventricle |
(iii) Right ventricle |
(iv) Right atrium |
A)
(i) and (iii) done
clear
B)
(ii) and (iv) done
clear
C)
(i) and (iv) done
clear
D)
(ii) and (iii) done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer11)
Waste produced in liver after decomposition of unused food proteins is:
A)
Urine done
clear
B)
Blood waste done
clear
C)
Urea done
clear
D)
Carbon dioxide done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer12)
Increased percentage of which gas will be present while exhaling in human beings?
A)
Carbon dioxide done
clear
B)
Oxygen done
clear
C)
Nitrogen done
clear
D)
Argon done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer13)
Which of the following statements is incorrect?
A)
Veins are the blood vessels which carry blood from all the parts of the body back to the heart. done
clear
B)
Veins carry deoxygenated blood. done
clear
C)
Pulmonary vein carries oxygenated blood. done
clear
D)
Pulmonary vein carries blood from heart to other parts of the body. done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer14)
Which of the following reproduces by vegetative propagation?
A)
Potato done
clear
B)
Onion done
clear
C)
Ginger done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer15)
Seeds which have spines or hooks on them get dispersed by:
A)
Explosion done
clear
B)
Wind done
clear
C)
Animals done
clear
D)
Water done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer16)
Which of the following cell organelles actively participates in aerobic respiration?
A)
Ribosomes done
clear
B)
Mitochondria done
clear
C)
Vacuole done
clear
D)
Golgi body done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer17)
Which process is responsible for the absorption of water by the roots from the soil?
A)
Respiration done
clear
B)
Photosynthesis done
clear
C)
Osmosis done
clear
D)
Transpiration done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer18)
Which of the following seeds are dispersed by explosion of fruit?
A)
Balsam done
clear
B)
Coconut done
clear
C)
Cotton done
clear
D)
Maple done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer19)
___ present on the seeds help them to be carried by the wind.
A)
Spines done
clear
B)
Thick coat of fibre done
clear
C)
Tiny hairs done
clear
D)
Hooks done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer20)
Exchange of gases between the air and blood takes place across the walls of_______.
A)
Bronchiole done
clear
B)
Diaphragm done
clear
C)
Alveoli done
clear
D)
Trachea done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer21)
With the help of gills a fish can:
A)
Absorb nutrients present in water. done
clear
B)
Release waste substances in water. done
clear
C)
Take in oxygen from air. done
clear
D)
Take in oxygen dissolved in water. done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer22)
Which of the following statements is correct?
Statement 1: Pollination occurs after fertilization. |
Statement 2: Fertilization occurs after pollination. |
A)
Statement 1 is correct and statement 2 is incorrect. done
clear
B)
Statement 2 is correct and statement 1 is incorrect. done
clear
C)
Both the statements 1 and 2 are correct. done
clear
D)
Both the statements 1 and 2 are incorrect. done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer23)
Zygote is formed in which part of the flower?
A)
Petals done
clear
B)
Sepals done
clear
C)
Stamens done
clear
D)
Ovary done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer24)
Raghu gets muscle cramp just after coming from running, the reason can be:
A)
Accumulation of alcohol in the muscles. done
clear
B)
Accumulation of lactic acid in the muscles. done
clear
C)
Accumulation of citric acid in the muscles. done
clear
D)
Damaged leg. done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer25)
Match the following:
Column A | Column B |
(i) | Butterfly | [A] | Lungs |
(ii) | Earthworm | [B] | Cell membrane |
(iii) | Amoeba | [C] | Moist Outer surface |
(iv) | Birds | [D] | Spiracles |
A)
(i - B), (ii - C), (iii - A), (iv - D) done
clear
B)
(i - D), (ii- C), (iii - B), (iv - A) done
clear
C)
(i - D), (ii - B), (iii - C), (iv - A) done
clear
D)
(i - B), (ii - D), (iii - C), (iv - A) done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer26)
Dandelion seeds are dispersed by:
A)
Wind done
clear
B)
Water done
clear
C)
Animals done
clear
D)
Explosion done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer27)
Yawning helps in:
A)
Removing unwanted waste. done
clear
B)
Inhaling a deep breath of air. done
clear
C)
Sneezing done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer28)
Which force is behind the pulling of water and minerals from of trees?
A)
Gravitational force done
clear
B)
Conduction force done
clear
C)
Suction force done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer29)
The cell which results after fusion of gametes is called:
A)
Spore done
clear
B)
Embryo done
clear
C)
Zygote done
clear
D)
Pistil done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer30)
A flower containing either only male or female reproductive organs is said to be:
A)
Hermaphrodite done
clear
B)
Complete flower done
clear
C)
Incomplete flower done
clear
D)
Seed done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer31)
Which of the following chemical reactions is incorrect?
A)
\[Glu\operatorname{cose}\,\xrightarrow{oxygen}C{{O}_{2}}+{{H}_{2}}O+Energy\] done
clear
B)
\[Glu\operatorname{cose}\,\xrightarrow{absence\,of\,oxygen}{{C}_{2}}{{H}_{5}}OH+C{{O}_{2}}+Energy\] done
clear
C)
\[\text{Glucose}\xrightarrow{\text{absence}\,\,\text{of}\,\,\text{oxygen}}\text{lactic}\,\,\text{acid+C}{{\text{O}}_{\text{2}}}\text{+Energy}\] done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer32)
A curved sheet of muscle forming the floor of chest cavity.
A)
Ribcage done
clear
B)
Bronchiole done
clear
C)
Larynx done
clear
D)
Diaphragm done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer33)
Exchange of gases, digested food between blood and tissues takes place through the walls:
A)
Heart done
clear
B)
Arteries done
clear
C)
Veins done
clear
D)
Capillaries done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer34)
Which among the following has hooks over its seeds?
A)
Balsam done
clear
B)
Urena done
clear
C)
Maple done
clear
D)
Sunflower done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer35)
Match the following:
Column A | Column B |
(i) | Arteries | [A] | Exchange of gases |
(ii) | Veins | [B] | Liquid part of blood |
(iii) | Capillaries | [C] | Deoxygenated blood |
(iv) | Plasma | [D] | Oxygenated blood |
A)
(i - B), (ii - C), (iii - D), (iv - A) done
clear
B)
(i - D), (ii - C), (iii - A), (iv - B) done
clear
C)
(i - D), (ii - A), (iii - B), (iv - C) done
clear
D)
(i - C), (ii - D), (iii - B), (iv - A) done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer36)
Component of blood which helps in clotting of blood.
A)
Red blood cells done
clear
B)
White blood cells done
clear
C)
Plasma done
clear
D)
Platelets done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer37)
A wall separating left side of heart from right side of heart is:
A)
Diaphragm done
clear
B)
Sternum done
clear
C)
Septum done
clear
D)
Platelet done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer38)
Which of the following statements is correct?
(i) When we breathe in the ribcage moves upward and outward. |
(ii) When we breathe in the ribcage moves downward and inwards. |
(iii) When we breathe in diaphragm moves downward. |
(iv) When we breathe in diaphragm moves upward. |
A)
(i) and (iv) done
clear
B)
(ii) and (iii) done
clear
C)
(i) and (iii) done
clear
D)
All the above done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer39)
Which of the following is excretory product of fish?
A)
Hydrogen done
clear
B)
Nitrogen done
clear
C)
Oxygen done
clear
D)
Ammonia done
clear
E)
None of these done
clear
View Solution play_arrow
-
question_answer40)
Oxygenated blood first, enters in which of the following parts of the heart from the lungs?
A)
Right Ventricle done
clear
B)
Right atrium done
clear
C)
Left ventricle done
clear
D)
Left atrium done
clear
E)
None of these done
clear
View Solution play_arrow