MCQOPTIONS
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MCQOPTIONS
This section includes 1844 Mcqs, each offering curated multiple-choice questions to sharpen your Grade10 knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
The connection between the wall of uterus and embryo is classified as |
| A. | oogonia tubes |
| B. | gynoecium ducts |
| C. | placenta |
| D. | ovular tubes |
| Answer» D. ovular tubes | |
| 552. |
Which of the following is called growth hormone? |
| A. | vasopressin |
| B. | somatotrophin |
| C. | adrenaline |
| D. | estrogen |
| Answer» C. adrenaline | |
| 553. |
Considering coordinated action, the organs that send messages to particular organs about the information received from receptors are classified as |
| A. | acceptors |
| B. | reflectors |
| C. | effectors |
| D. | coordinators |
| Answer» E. | |
| 554. |
Thyroid-stimulating hormone is secreted by |
| A. | pituitary gland |
| B. | thyroid gland |
| C. | parathyroid gland |
| D. | adrenal gland |
| Answer» B. thyroid gland | |
| 555. |
The vestibule and semicircular canals help to maintain |
| A. | shape |
| B. | balance |
| C. | pressure |
| D. | temperature |
| Answer» C. pressure | |
| 556. |
The ductless gland contains a group of endocrine cells called as |
| A. | white blood cells |
| B. | red blood cells |
| C. | islets of Langerhans |
| D. | glucagon |
| Answer» D. glucagon | |
| 557. |
The portions of pancreas other than the major portion are |
| A. | ducted gland |
| B. | ductless gland |
| C. | islets of Langerhans |
| D. | fluid filled |
| Answer» C. islets of Langerhans | |
| 558. |
The sensory axons and ganglion are present in |
| A. | dorsal root |
| B. | ventral root |
| C. | lateral root |
| D. | upper root |
| Answer» B. ventral root | |
| 559. |
How many pairs of cranial nerves are present in humans? |
| A. | 12 |
| B. | 31 |
| C. | 41 |
| D. | 51 |
| Answer» B. 31 | |
| 560. |
A person suffered from Hypermetropia unable to see the objects which are |
| A. | distant |
| B. | near |
| C. | small |
| D. | long |
| Answer» C. small | |
| 561. |
The system that uses chemicals to communicate with its effectors is called |
| A. | nervous system |
| B. | chemical system |
| C. | endocrine system |
| D. | digestive system |
| Answer» D. digestive system | |
| 562. |
The types of cartilage do not include |
| A. | hyaline cartilage |
| B. | elastic cartilage |
| C. | fibrous cartilage |
| D. | inelastic cartilage |
| Answer» E. | |
| 563. |
Biceps and Triceps have their insertion at |
| A. | pelvic girdle |
| B. | arm bone |
| C. | pectoral girdle |
| D. | one of the two bones of forearm |
| Answer» E. | |
| 564. |
Osteoporosis is a disease of |
| A. | muscle |
| B. | cartilage |
| C. | joint |
| D. | bone |
| Answer» E. | |
| 565. |
In the axial skeleton of the human body, the number of bones in vertebrae (vertebral column) is |
| A. | 26 bones |
| B. | 28 bones |
| C. | 31 bones |
| D. | 34 bones |
| Answer» B. 28 bones | |
| 566. |
How many ribs are in the human body? |
| A. | 22 |
| B. | 23 |
| C. | 24 |
| D. | 26 |
| Answer» D. 26 | |
| 567. |
When triceps contracts, the forearm is |
| A. | pulled upward |
| B. | pulled down |
| C. | relaxed |
| D. | stretched |
| Answer» C. relaxed | |
| 568. |
How many bones are present in arms? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 569. |
When a flexor muscle contract it also |
| A. | bend the joint |
| B. | straighten the joint |
| C. | push the joint |
| D. | pull the joint |
| Answer» B. straighten the joint | |
| 570. |
The bones of the head and the trunk of the human body are classified as |
| A. | axial skeleton |
| B. | perpendicular skeleton |
| C. | latitude skeleton |
| D. | longitudinal skeleton |
| Answer» B. perpendicular skeleton | |
| 571. |
When biceps contracts, the forearm is |
| A. | pulled upward |
| B. | pulled down |
| C. | relaxed |
| D. | stretched |
| Answer» B. pulled down | |
| 572. |
How many ossicles of the middle ear are? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» E. | |
| 573. |
The bone disease in which the density of bones decreases because of loss of phosphorus and calcium is called |
| A. | osteoporosis |
| B. | arthritis |
| C. | rheumatoid arthritis |
| D. | gout |
| Answer» B. arthritis | |
| 574. |
The mature bone cells are |
| A. | osteoblast |
| B. | osteoclast |
| C. | osteocytes |
| D. | chondrocytes |
| Answer» D. chondrocytes | |
| 575. |
Deficiency of estrogen hormone can cause |
| A. | osteoarthritis |
| B. | rheumatoid arthritis |
| C. | gout |
| D. | osteoporosis |
| Answer» E. | |
| 576. |
Lack of proteins, calcium, and phosphorus may cause |
| A. | osteoporosis |
| B. | arthritis |
| C. | gout |
| D. | osteon arthritis |
| Answer» B. arthritis | |
| 577. |
The latest method of vegetative propagation is |
| A. | tissue culturing |
| B. | budding |
| C. | grafting |
| D. | cloning |
| Answer» E. | |
| 578. |
Female reproductive part of the flower is called |
| A. | androecium |
| B. | gynoecium |
| C. | corolla |
| D. | calyx |
| Answer» C. corolla | |
| 579. |
The way of natural vegetative propagation in which food is stored in swollen and short underground stems is classified as |
| A. | bulbs |
| B. | corms |
| C. | Rhizopus |
| D. | root tubers |
| Answer» C. Rhizopus | |
| 580. |
Units of androecium are called |
| A. | petals |
| B. | sepals |
| C. | anther |
| D. | stamens |
| Answer» E. | |
| 581. |
Considering the ovaries of the female reproductive system of rabbits, these are responsible for the production of |
| A. | horns |
| B. | egg cells |
| C. | follicle |
| D. | semen |
| Answer» C. follicle | |
| 582. |
The bone disease in which the inflammation in joints occurs is classified as |
| A. | epilepsy |
| B. | paralysis |
| C. | osteoporosis |
| D. | arthritis |
| Answer» E. | |
| 583. |
The bone of the neck is called |
| A. | neck bone |
| B. | hyoid |
| C. | sternum |
| D. | rib |
| Answer» C. sternum | |
| 584. |
How many bones are present in Hands? |
| A. | 54 |
| B. | 56 |
| C. | 52 |
| D. | 51 |
| Answer» B. 56 | |
| 585. |
Knee and elbow are called |
| A. | fixed joints |
| B. | slightly moveable joints |
| C. | hinge joints |
| D. | ball and socket joints |
| Answer» D. ball and socket joints | |
| 586. |
A dense, firm connective tissue is |
| A. | bone |
| B. | cartilage |
| C. | collagen |
| D. | fibrous tissue |
| Answer» C. collagen | |
| 587. |
Excretory products in trees are removed during |
| A. | diffusion |
| B. | osmosis |
| C. | leaf fall |
| D. | transpiration |
| Answer» D. transpiration | |
| 588. |
A method for removal of kidney stones in which non-electrical shock waves are used is called |
| A. | laser treatment |
| B. | peritoneal dialysis |
| C. | lithotripsy |
| D. | hemodialysis |
| Answer» D. hemodialysis | |
| 589. |
The inner part of the kidney which is pale red is known as |
| A. | renal cortex |
| B. | renal medulla |
| C. | renal vein |
| D. | renal cavity |
| Answer» C. renal vein | |
| 590. |
The capillaries of the glomerulus arise from |
| A. | efferent arteriole |
| B. | afferent arteriole |
| C. | renal artery |
| D. | bowman's capsule |
| Answer» C. renal artery | |
| 591. |
The outer part of the kidney which is dark red is known as |
| A. | renal cortex |
| B. | renal medulla |
| C. | renal vein |
| D. | renal cavity |
| Answer» B. renal medulla | |
| 592. |
The infection of lungs is called |
| A. | emphysema |
| B. | asthma |
| C. | pneumonia |
| D. | bronchitis |
| Answer» D. bronchitis | |
| 593. |
The fine ends of the bronchioles are known as |
| A. | bronchi |
| B. | bronchioles |
| C. | pharynx duct |
| D. | alveolar ducts |
| Answer» E. | |
| 594. |
Amount of oxygen in inspired air is 21 % and in expired air is |
| A. | 0.15 |
| B. | 0.16 |
| C. | 0.12 |
| D. | 0.18 |
| Answer» C. 0.12 | |
| 595. |
The pair of ribs in the chest wall are |
| A. | 12 |
| B. | 14 |
| C. | 15 |
| D. | 11 |
| Answer» B. 14 | |
| 596. |
The epiglottis, a flap of tissues covers the |
| A. | pharynx |
| B. | nostrils |
| C. | nasal cavity |
| D. | glottis |
| Answer» E. | |
| 597. |
23 pairs of homologous chromosomes are present in |
| A. | frog |
| B. | monkey |
| C. | dog |
| D. | human |
| Answer» E. | |
| 598. |
In heterozygous genotype the gene pair contains |
| A. | two different alleles |
| B. | three different alleles |
| C. | one allele |
| D. | all type of alleles |
| Answer» B. three different alleles | |
| 599. |
Two chromosomes of a pair are called |
| A. | homologous |
| B. | analogous |
| C. | locus |
| D. | gene pair |
| Answer» B. analogous | |
| 600. |
The kind of situation in which alleles of gene pair are expressed completely by themselves is called |
| A. | segregation |
| B. | dependent assortment |
| C. | co-dominance |
| D. | dominance |
| Answer» D. dominance | |