The vein present on the right side of the heart
A) Post caval vein
B) Pre caval vein
C) Pulmonary vein
D) Aorta
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a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb
Correct Answer - a. 2,1 b. Mesodermal,Pericardium c. 3,Tricuspid d. Thicker. e. 72, Pacemaker f. 30% g. Joint diastole h. P i. Coronary j. Decrease, Cardiac output
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4. The value of \( \left(\frac{1}{2}\right)^{-2}+\left(\frac{1}{3}\right)^{-2}+\left(\frac{1}{4}\right)^{-2} \) is (a) \( \frac{61}{144} \) (b) \( \frac{144}{61} \) (c) 29 (d) none of these
Correct answer is:- (c) 29 Explanation:- 1/2-2 + 1/3-2 + 1/4-2 = 22 + 32 + 42 (x-1 = 1/x) = 4 + 9 + 16 = 29
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All these are included in Right to Life i.e., Article 21 of the Indian Constitution. 1) Right to food 2) Right to employment
B) 1, 2 and 3
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Consider a particle of mass \( m \) having linear momentum \( P \) at position \( r \) relative to the origin \( O \). Which of the following equations correctly relates \( r , P , L \) ? a) \( \left[\left(\frac{d L}{d t}\right)+r x\left(\frac{d P}{d t}\right)\right]=0 \) b) \( \left[\left(\frac{d L}{d t}\right)-r x\left(\frac{d P}{d t}\right)\right]=0 \) c) \( \left[\left(\frac{d L}{d t}\right) \times\left(\frac{d r}{d t}\right) \times P\right]=0 \) d) \( \left[\left(\frac{d L}{d t}\right)-\left(\frac{d r}{d t}\right) \times P\right]=0 \)
Correct answer is (b) We know that \(\tau\) = r × F ∵ \(\tau\) \(= \frac{dL}{dt},\) \(F = \frac{dP}{dt}\) \(\left(\frac{dL}{dt}\right) = r \times \left(\frac{dP}{dt}\right)\) \(\left(\frac{dL}{dt}\right) - r \times \left(\frac{dP}{dt}\right) = 0\)
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The vein which collects blood from the posterior parts of the body.
B) Inferior vena cava
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What is the shape of the heart that you found through the activity with the help of specimen of goat’s heart ?
(B) Pear fruit
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The valve present between right auricle and right ventricle is
(A) tricuspid valve
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Which side of the human heart is low in oxygen ?
(B) Right ventricle
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Why is the mammalian heart known as a myogenic heart?
The mammalian cardiac muscles are modified and are capable of generating an impulse on their own. Hence, the mammalian heart known as a myogenic heart.
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