Biology

Question 1

Respiration in absence of oxygen

Answer 1

Glucose to pyruvate to ethanol and co2 and Energy
Happens in yeast

Question 2

Respiration in lack of oxygen

Answer 2

Glucose to pyruvate to lactic acid plus energy
Happens in our muscle cells

Question 3

Respiration in presence of oxygen

Answer 3

Glucose to pyruvate to carbon dioxide plus water plus energy
Happens in mitchondria

Question 4

Pulmonary circuit

Answer 4

RV to PA to lungs to PV to LA

Question 5

Systemic circuit

Answer 5

LV to Aorta to Organs to Vena cava to RA

Question 6

Protection of brain

Answer 6

Cranium
Meninges (3 membranes)
Cerebrospinal fluid

Question 7

Forebrain parts

Answer 7

Cerebrum
Thalamus
Hypothalamus

Question 8

Hindbrain parts

Answer 8

Pons
Medulla oblongata
Cerebellum

Question 9

Cerebrum function

Answer 9

Largest part of brain
Voluntary actions

Question 10

Thalamus function

Answer 10

Coordinating centre for sensory and motor signaling

Question 11

Hypothalamus function

Answer 11

Regulates temperature hunger thirst
Regulation of behavior emotions

Question 12

Cerebellum

Answer 12

Responsible for balance of the body and posture
Precision of voluntary actions

Question 13

Medulla functions

Answer 13

Involuntary functions
Breathing heartbeat digestion BP

Question 14

Pons function

Answer 14

sleep cycle
Relays information

Question 15

Midbrain function

Answer 15

Processing of visual and auditory information

Question 16

Types of movement in plants

Answer 16

Nastic movement(non directional)
Tropic movement (directional)

Question 17

Plant growth promoter hormones

Answer 17

Auxin
Gibberlin
Cytokinin

Question 18

Growth inhibitor plant hormones

Answer 18

Absissic acid
Ethylene

Question 19

Stress hormone in plants

Answer 19

Absissic acid inhibits growth, wilting of leafs

Question 20

Auxin

Answer 20

elongation of plant

Question 21

Gibberellin

Answer 21

Growth of stem

Question 22

Cytokinin

Answer 22

Promotes cell division

Question 23

Ethylene

Answer 23

Ripening of fruit
It is a gaseous hormone

Question 24

Pituitary gland

Answer 24

Called master gland
Located at base of brain
Growth hormone, thyroid stimulating hormone produced

Question 25

Thyroid gland

Answer 25

Located at neck Thyroxine produced, helps in controlling metabolism Iodine required

Question 26

Deficiency of iodine in diet

Answer 26

Required for thyroxine hormone Causes giotre

Question 27

Adrenal gland

Answer 27

Adrenaline hormone Fight or flight

Question 28

Pancreas

Answer 28

Insulin and glucagon Regulates blood glucose levels Mixed gland

Question 29

Testis

Answer 29

Testosterone

Question 30

Ovary

Answer 30

Estrogen

Question 31

Stomach

Answer 31

Digestion of protein

Question 32

Small intestine

Answer 32

Digestion of carbohydrates proteins fat

Question 33

Liver function

Answer 33

Produces bile juice which makes food alkaline from stomach and emulsification of fat

Question 34

Pancreas

Answer 34

Secretes pancreatic juice Contains trypsin for digesting proteins and lipase for breaking down emulsified fat

Question 35

What happens to food in small intestine

Answer 35

Protein to amino acids Complex carbohydrates to glucose Fats to fatty acids

Question 36

Pea plant scientific name

Answer 36

Pisum sativum

Question 37

Why pea plant

Answer 37

7 contrasting traits Short life span Self or cross pollination Produces large number of offsprings

Question 38

Traits of pea plant

Answer 38

Plant height Tall dwarf Pod shape inflated constricted Seed shape round wrinkled Seed color yellow green Flower position axial terminal Flower color purple white Pod color green yellow

Question 39

Law of dominance

Answer 39

If the pair is heterozygous, one trait will dominate the other

Question 40

Law of segregation

Answer 40

At the time of gamete formation, the gametes separate and unite back on formation of xygote

Question 41

Law of independent assortment

Answer 41

Transfer of one character is independent of other character

Question 42

Binary Fission

Answer 42

Happens in amoeba Divides into two or more daughter cells

Question 43

Multiple fission

Answer 43

Amoeba during unfavorable conditions

Question 44

Budding

Answer 44

Hydra yeast

Question 45

Fragmentation

Answer 45

Spirogyra

Question 46

Regeneration

Answer 46

Hydra, Planaria, starfish

Question 47

Spore formation

Answer 47

Fungi

Question 48

Advantages of vegetative propagation

Answer 48

Faster and earlier than seeds Genetically similar Plants that cannot produce seeds can be propagated

Question 49

Double fertilization

Answer 49

In flower One sperm gamete fertilizes nuclei and another forms zygote

Question 50

Fruit formation

Answer 50

Ovary developed to fruit Ovule to seed

Question 51

What happens to food in mouth

Answer 51

Starch gets broken to maltose