Multiple Choice QuestionsA pregnant female delivers a baby, who suffer from stunted growth, mental retardation low intelligence quotient and abnormal skin. This is the result of
deficiency of iodine in diet
low secretion of growth hormone
cancer of the thyroid glad
cancer of the thyroid glad
A.
deficiency of iodine in diet
Hypothyroidism during pregnancy causes defective development and maturation of the growing foetus leading to stunted growth. Low secretion of GH results in stunted growth. Low secretion of GH result in stunted growth resulting in pituitary dwarfism. Paras distalis or anterior pituitary producers Growth hormone. prolactin (PRL), thyroid stimulation hormone (TSH), Adrenocorticotrophic Hormone (ACTH), Luteinising Hormone (LH) and Follicle Stimulating Hormone (FSH).
Select the correct statement with respect to locomotion in humans
A decreased level of progesterone cause osteoporosis in old people
Accumulation of uric acid crystals in joints causes their inflammation.
The vertebral column has 10 thoracic
The vertebral column has 10 thoracic
The characteristics and an example of a synovial joint in humans is
|
Characteristics |
Examples |
|
Fluid cartilage between two bones, limited movements |
Knee joints |
|
Characteristics |
Examples |
|
Fluid filled between two joints, provides cushion |
Skull bones |
|
Characteristics |
Examples |
|
Fluid filled synovial cavity between two bones |
Joint between atlas and axis |
|
Characteristics |
Examples |
|
Fluid filled synovial cavity between two bones |
Joint between atlas and axis |
Which of the following statement is correct in relation to the endocrine system?
Adenohypophysis is under the direct neural regulation of the hypothalamus.
Organs in the body like gastrointestinal tract, heart, kidney and live
Non-nutrient chemicals produced by the body in trace amount that acts as intercellular messengers are known as hormones.
Non-nutrient chemicals produced by the body in trace amount that acts as intercellular messengers are known as hormones.
The eyes of Octopus and eyes of cat show different patterns of structure, yet they perform a similar function. This is an example of
homologous organs that have evolved due to convergent evolution
homologous organs that have evolved due to divergent evolution
analogous organs that have evolved due to convergent evolution
analogous organs that have evolved due to convergent evolution
The cell -mediated immunity inside the human body is carried out by
T- lymphocytes
B - lymphocytes
thrombocytes
thrombocytes
A senentary sea anemone gets attached to the shell lining of hermit crab. The association is
ectoparasitism
symbiosis
commensalism
commensalism
The three boxes in this diagram represent the three major biosynthetic pathways in aerobic net reactant or products
Arrows numbered 4, 8 and 12 can all be
NADH
ATP
H2O
H2O
Which one of the following organelle in the figure correctly matches with its function?
Rough endoplasmic reticulum, formation of glycoproteins
Golgi apparatus, protein synthesis
Golgi apparatus, formation of glycolipids
Golgi apparatus, formation of glycolipids
A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics
|
Telophase |
Nuclear envelope reforms, Golgi complex reforms |
|
Late anaphase |
Chromosomes move away from equatorial plate, Golgi complex not present |
|
Cytokinesis |
Cell plate formed, Mitochondria distributed between two daughter cells |
|
Cytokinesis |
Cell plate formed, Mitochondria distributed between two daughter cells |
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