Read the following statements.
Statement I. The flat bones of skull are spongy without marrow cavity.
Statement II. Specialised Bones of skull in mammals are called diploic bones.
Identify wheather the given statements are true or false and choose the correct option.
Statement I | Statement II |
True | False |
False | True |
True | True |
False | False |
Intrinsic factor produced by the oxyntic cells of human gut wall is essential for
converting the inactive pepsinogen to its active form pepsin
maintaining an extremely acid environment in the stomach
protecting the stomach wall and glands from autolysis (self-digestion)
absorption of vitamin B12 from the dietary supply
With refrence to the circulatory system of human foetus, which of the following statement is not correct?
Ductus arteriosus connects the pulmonary artery to the aorta
Foetal haemoglobin combines more readily with oxygen than adult haemoglobin does
Ductus venosus carries blood from placenta and foetal gut directly to the fetal liver
Blood is pumped to the placenta by the foetal heart
The integral membrane protein that carries blood group antigenic determinants is
Rhodopsin
Seipin
Glycophorin
CD36
Choose the correctly paired sets from the following.
Set I | Set II | Set III |
I. Sphenoid bone | Key- stone bone | Cranium |
II. Acromion process | Collor bone | Scapula |
III. Xiphoid process | Breast bone | Thorax |
IV. Odontoid process | Atlas | Cervical vertebra |
I, IV
II, IV
II, III
I, III
Statement I. The renal fluid becomes increasingly concentrated, when it flows down in the descending limb of loop of Henle towards inner medulla, but its concentration decreases in the ascending limb, when it flows towards the cortex.
Statement II. The descending limb of the loop of Henle water is reabsorbed; the ascending limb is impermeable to water, but salts are absorbed.
Statement I is correct, but Statement II is incorrect
Statement II is correct, but Statement I is incorrect
Both statements are correct
Both statements are incorrect
Arrange the following compounds formed in respiration based on their C-atoms in ascending order.
I. Pyruvic acid
II. -ketoglutaric acid
III. Citric acid
IV. Malic acid
The correct answer is
IV, I, II and III
I, IV, II and III
I, II, IV and III
I, IV, III and II
The hormone involved in the regulation of florigen synthesis is
ethylene
zeatin
cytokinin
gibberrellin
D.
gibberrellin
Florigen or flowering hormone is the hypothesized hormone like molecule responsible for controlling or triggering flowering in plants.
Gibberrellins (GA) are plant hormones that regulate growth and influence various developmental process like flowering, elongation, germination, etc.
Read the following deficiency symptoms of micronutrients in plants.
I. Loosening of inflorescence in Cauliflower.
II. Apical necrosis of young leaves (reclamation disease).
III. Bronze colour in leaves
IV. Upper half a lamina falls down (whiptail disease)
V. Legume cotyledons with brownish spots (marsh spot disease)
Pick out the symptoms caused by the deficiency of molybdenium and choose the correct option.
II, IV and V
I, III and IV
III and II
I and IV
Which of the following is correctly matched for the deficiency symptom produced by them?
Molybdenum - Disturbance in iron metabolism
Sodium - Interfere with healthy growth of nails and hair
Protein - Convulsions and hallucinations
Riboflavin - Beri beri