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Recent questions tagged ch14

'The sum of all interior angles of a triangle is $180^\circ$.' Is this sentence a statement? Give reason.

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

The product of $(-1)$ and $8$ is $8$. Is this sentance a statement? Give reason.

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

'Answer this question.' Is this sentence a statement? why?

asked Jul 4, 2014 by rvidyagovindarajan_1

1 answer

The sides of a quadrilateral have equal length. Is this sentence a statement?

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

The square of a number is an even number. Is this sentence a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

The sum of $5$ and $7$ is greater than $10$. Is this a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

Mathematics is difficult. Is this a statement? Give reason

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

There are $35$ days in a month. Is this sentence a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

The statement $\sim(p \leftrightarrow \sim q)$ is

asked Apr 6, 2014 by balaji.thirumalai

1 answer

Which of the following is used to determine the rate of transpiration in plants?

asked Apr 3, 2014 by sreemathi.v

1 answer

Guttation is the process of elimination of water from plants through

asked Apr 3, 2014 by sreemathi.v

1 answer

Percentage of water left in the soil when plant wilts is known as

asked Apr 3, 2014 by sreemathi.v

1 answer

Wilting in plants occurs when

asked Apr 3, 2014 by sreemathi.v

1 answer

Active $K^+$ exchange mechanism for opening and closing of stomata was given by

asked Apr 3, 2014 by sreemathi.v

1 answer

Which of the following is most likely cause for wider opening of stomata?

asked Apr 3, 2014 by sreemathi.v

1 answer

How many molecules of oxygen gas are used during the glycolysis of one glucose molecule?

asked Apr 3, 2014 by sreemathi.v

1 answer

What is the end product of glycolysis?

asked Apr 3, 2014 by sreemathi.v

1 answer

Enzymes taking part in glycolysis (EMP pathway) are present in

asked Apr 3, 2014 by sreemathi.v

1 answer

Glycolysis is a process found in

asked Apr 3, 2014 by sreemathi.v

1 answer

Which of the following is true about fermentation?

asked Apr 3, 2014 by sreemathi.v

1 answer

When yeast is producing wine, which of the following is not formed?

asked Apr 3, 2014 by sreemathi.v

1 answer

Fumarase enzyme converts

asked Apr 3, 2014 by sreemathi.v

1 answer

When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is

asked Apr 3, 2014 by sreemathi.v

1 answer

How many molecules of ATP are gained during anaerobic respiration of one molecules of glucose?

asked Apr 3, 2014 by sreemathi.v

1 answer

In which of the following , respiration in absence of oxygen too takes place?

asked Apr 3, 2014 by sreemathi.v

1 answer

In anaerobic respiration in plants

asked Apr 3, 2014 by sreemathi.v

1 answer

The end products of respiration in plants are

asked Apr 3, 2014 by sreemathi.v

1 answer

Energy yield as a result of total oxidation of 1 glucose molecule during cellular respiration is to convert

asked Apr 3, 2014 by sreemathi.v

1 answer

Complete oxidation of $1 \;gm$ mole of glucose gives rise to

asked Apr 3, 2014 by sreemathi.v

1 answer

Respiration in plants

asked Apr 3, 2014 by sreemathi.v

1 answer

Statement-1: $(p \wedge \sim q) \wedge (\sim p \wedge q)$ is a fallacy, and Statement-2 : $(p \rightarrow q) \leftrightarrow (\sim q \rightarrow \sim p)$ is a tautology. Given these two statements, which of the following is true?

asked Mar 20, 2014 by balaji.thirumalai

1 answer

Which of the following is a logical statement?

asked Mar 20, 2014 by balaji.thirumalai

1 answer

Consider this statement "If the bank was robbed then I will not have any money".

asked Mar 20, 2014 by balaji.thirumalai

1 answer

If the following statements are true: $ ~r$, $p \rightarrow q$ and $q \rightarrow r$, then:

asked Mar 20, 2014 by balaji.thirumalai

1 answer

Let $S$ be a non empty subset of $R$. Consider the following statement: $P$: There is a rational number $x \in S$ such that $x\gt 0$. Then, which of the following statements is the negation of statement $P$:

asked Mar 20, 2014 by balaji.thirumalai

1 answer

Which of the following are tautologies and which are contradictions?

asked Mar 20, 2014 by balaji.thirumalai

1 answer

Choose the correct answer. The statement $p \rightarrow (q \rightarrow p)$ is equivalent to which of the following?

asked Mar 20, 2014 by balaji.thirumalai

1 answer

The proposition $(P \vee Q) \vee (\sim P \wedge \sim Q)$ is a:

asked Mar 20, 2014 by balaji.thirumalai

1 answer

In the circuit given below the value of current is :

asked Jan 31, 2014 by meena.p

1 answer

A transistor is connected in common emitter mode. In the collector circuit the voltage drop across the resistor of $800 \; \Omega$ is $0.5 V$ . If current gain $\alpha$ is $0.96$ What is base current

asked Jan 31, 2014 by meena.p

1 answer

When forward bias is applied to a p-n junction.

asked Jan 31, 2014 by meena.p

1 answer

Functions of rectifier is

asked Jan 31, 2014 by meena.p

1 answer

The graph given below represents the I-V characteristics of a zener diode. Which part of the curve is relevant for operation as voltage regulator?

asked Jan 31, 2014 by meena.p

1 answer

In extrinsic semiconductors

asked Jan 31, 2014 by meena.p

1 answer

To obtain a p-type semiconductor germanium is doped with

asked Jan 31, 2014 by meena.p

1 answer

To obtains p-type germanium semiconductor it must be doped with

asked Jan 31, 2014 by meena.p

1 answer

Zener diode :

asked Jan 31, 2014 by meena.p

1 answer

A Diode Laser

asked Jan 31, 2014 by meena.p

1 answer

To make a full wave rectifier using these four diodes, the ac input should be applied across what?

asked Jan 31, 2014 by meena.p

1 answer

When a solid with a band gap has a donor level just below its empty energy band, its solid is

asked Jan 31, 2014 by meena.p

1 answer

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