Biology Test 6

Total Questions: 25

1 - Leucocytes (white blood cells) are produced in

A ) Lymph
B ) Spleen
C ) Bone marrow ✅
D ) Ribs

2 - Haemophilia is because of absence of

A ) Rh factor
B ) Clotting ✅
C ) Antigens
D ) Antibodies

3 - Amount of water in mammalian blood is

A ) 99%
B ) 98%
C ) 94%
D ) 92% ✅

4 - What is the function of platelets?

A ) Kill the bacteria
B ) Carry the oxygen
C ) Produce antibodies
D ) Clothing the blood ✅

8 - Femur, tibia and fibula are bones of

A ) Pectoral girdle
B ) Hip girdle
C ) Arms
D ) Legs ✅

9 - Relevant bones of the joints are held together by

A ) Tendons
B ) Ligaments ✅
C ) Flexors
D ) Extensors

10 - The bones of arms are attached to vertebral column through

A ) Vertebral column
B ) Skull
C ) Pectoral girdles ✅
D ) Pelvic girdles

11 - Which of the following contains centers for breathing,blood pressure and heart beat?

A ) Medulla oblongata ✅
B ) Pons
C ) Cerebellum
D ) Hypothalamus

12 - The way genes transmit traits from parents to offspring is

A ) Heredity ✅
B ) Genetics
C ) Genome
D ) Inheritance

13 - The study of structure and behavior of gene is called

A ) Molecular biology
B ) Genetics ✅
C ) Genotype
D ) Inheritance

15 - The persons whose blood has a reduced capacity of delivering oxygen to tissues suffer from

A ) Haemophilia
B ) Sickle cell anaemia ✅
C ) Haemophilia
D ) Anaemia

16 - Who among these was produced by genetics engineering?

A ) Jersey-Sahiwal cow
B ) Dhani ox
C ) Nancy sheep
D ) Rahu-thaila carp ✅

17 - Which one of the followings is produced by hybridization and selective breeding?

A ) Neeli-Ravi Buffalo ✅
B ) Rahu-thaila hybrid
C ) Sahiwal Ox
D ) All of these

18 - Which one of the following is hereditary disease?

A ) Polio
B ) Cholera
C ) Typhoid
D ) Heamophilia ✅

19 - Colour-blind person cannot distinguish red from

A ) Yellow
B ) Blue
C ) Green ✅
D ) White

20 - Who proposed theory of continuous and gradual evaluation of life from simple to complex?

A ) Aristotle ✅
B ) Hugo de Vries
C ) Thomas Malthus
D ) Charles Lyell

21 - Darwin himself bred

A ) Pea plants
B ) Pigeons ✅
C ) Wild mustard
D ) Tomatoes

22 - Evolution through mutation was suggested by

A ) Malthus
B ) Lyell
C ) Darwin
D ) De Veries ✅

24 - In the eye, colour vision is affected by the presence of

A ) Choroid coat
B ) Sclerotic coat
C ) Rods
D ) Cones ✅

25 - What do calories measure?

A ) Weight
B ) Heat ✅
C ) Movement
D ) Temperature