7,213 questions & answers
Look at the following table below.
Class Interval | Class Marks |
---|---|
0 - 5 | A |
5 - 10 | B |
10 - 15 | 12.5 |
15 - 20 | 17.5 |
The value of $A & B$ respectively are:
(A) $2.5, 7.5$
B) $3, 7$
C) $2, 7$
(D) $3, 8$
Galvanized iron pipes are made by "hot dipping":
- Zinc in molten iron
- Iron in molten nickel
- Iron in molten zinc
- Iron in molten magnesium
If alpha and beta are zeros of p(x) = x² + x - 1, then find alpha² beta + alpha beta².
What part of the blood carries minerals, sugar, and other foods to the body's cells?
Option 1: diabetes insipidus Option 2: diabetes mellitus Option 3: hypoglycemia Option 4: Both a and b
Which of the following are placeholders for literal values in a SQL query being sent to the database:
- Reduction and resolution variables
- Resolution variables
- Reduction variables
- Assimilation variables
- Bind variables
$\sqrt{\frac{3}{49}}$ is an irrational number.
True
False
Which of the following factors influence the rate of a chemical reaction?
- Surface area of reactants
- Temperature
- Catalyst
- Concentration of reactants
The numbers which have a non-terminating and non-repeating decimal expansion and cannot be represented in the form of $\frac{p}{q}$ (where $q$ is not equal to 0) are known as irrational numbers.
Connective tissue found in vitreous humour of eye and umbilical cord of newborn babies:
Areolar tissue
Adipose tissue
Mucous tissue
Elastic tissue
Water falls from a height of $60$ m at the rate of $15$ kg/s to operate a turbine. The losses due to frictional forces are $10%$ of the energy. How much power is generated by the turbine? (Take $g=10$ m/s$^{2}$)
A $12.3$ kW
B $7.0$ kW
C $8.1$ kW
D $10.2$ kW
What does it mean to have diagonals bisect each other?
That goes across each other
The point where diagonals meet is the midpoint
The angles are congruent
The full diagonal line is congruent to the other diagonal line
The maximum volume of air that can be released from the lungs by forceful expiration after deepest inspiration is called the ______.
-
Total lung capacity
-
Vital capacity
-
Tidal volume
-
Ventilation rate
Find the equation of the lines joining the origin to the points of intersection of the straight line $y=3x+2$ with the curve $x^{2}+2xy+3y^{2}+4x+8y-11=0.
A. $7x^{2}-2xy+y^{2}=0 B. $7x^{2}-2xy-y^{2}=0 C. $7x^{2}+2xy+y^{2}=0 D. $7x^{2}+2xy+y^{2}=0
While swimming, the weight of the body is supported by the water pressure.
A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block is:
(A) 2 N (B) 20 N (C) 50 N (D) 100 N
Which of the following can be evidence for evolution?
- Paleontological
- Morphological and anatomical
- Biogeographic distribution
- Physiological
For an event, odds against are $6:5$. The probability that the event does not occur is:
A) $\frac{5}{6}$
B) $\frac{6}{11}$
C) $\frac{5}{11}$
D) $\frac{1}{6}
Which of the molecules listed below have an $sp^{3}$ hybridized central atom? (P) PCl3 (Q) COCl2 (R) SF4 A P only B P and R only C Q and R only D P, Q and R
How many glycinate ions are required to make an octahedral complex with a $\mathrm{Ca}^{2+}$ ion?
A. One B. Two C. Six D. Three
Statement 1: Bile pigment is formed in the liver by the breakdown of haemoglobin in dead RBCs.
Statement 2: Vitamins are not excreted along with urine.
Phenylalanine
Tyrosine
Valine replacing glutamine
Homogentisic acid