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A sample of an unknown gas with a mass of 3.24 g occupies a volume of 1.88 L at a pressure of 748 mmHg and a temperature of 20. °C. What is the molar mass of the gas?

2. Within a single fiber, the tension developed during a twitch depends on:
a. Length of the thick filament
b. Duration of the stimulus
c. Amplitude of the action potential

d. Length of the sarcomeres prior to contraction

c. The speed the action potential is propagated throughout the muscle fiber

3. The two systems that directly control homeostasis:

a. Musculoskeletal and endocrine

b. Nervous and endocrine

c. Cardiovascular and nervous

4. There are 4 primary tissue types, which of these is not a primary tissue type:

a. Connective

d. Blood

b. Neural

e. Muscle

c. Epithelial

None of the above

There are more than two systems that control homeostasis

5. The muscle functional unit responsible for force production is the:

d. Sarcolemma

a. Sarcomere

e. Calcium

Motor unit

Myocyte

6. Choose the true statement(s):
a. Biarticular muscles only produce concentric contractions

b. During an eccentric contraction the muscle neither shortens nor lengthens

C. For a given muscle, it will produce its highest forces during a concentric contraction

d. The primary purpose of concentric contractions is fixation

e. The primary purpose of eccentric contractions is deceleration

7. Homeostasis is the condition in which the body maintains:

A. A dynamic state within an unlimited range, depending on circumstances

B. Static state with little deviation from preset points

C. A relatively stable internal environment, within limits

d. The lowest possible energy usage

8. Osteoclast precursor cells are:

a. Osteocytes

b. Osteoblasts

c. Osteogenic cells (stem cells)

d. None of the above

C. Leukocytes (white blood cells)

Please conduct a research online about “Cancer” to answer the following questions.

1. What is the definition of cancer?
2. What do cancer cells not have that other cells do?
3. What do cancer cells do more often than other cells?
4. What are tumors?
5. What is the term for tumors that can invade healthy tissue?
6. What does it mean for tumors to be malignant?
7. What does it mean for tumors to be benign?
8. What is the name for a mass of cells that are not cancerous, but not normal?
9. What is the term for an increase in the number of normal cells?
10. What is the term for the presence of abnormal cells that are not cancer?
11. What must have occurred for cancer to develop?
12. What can spontaneously cause mutations in cells leading to cancer?
13. What can damage DNA?
14. What are the possible treatments of cancer (check textbook or online)?

152. In a complex resistance-reactance plane, XL is represented

How does gravity work?

 Is having a big ego a negative or positive trait?

What is happiness?

What is time?

Do acts of kindness have a motive?

 Where do thoughts come from?

198. What maximum voltage can be applied across the capacitor for very short period of time?

186. The capacitor opposes any change in voltage across it by

180. The electric field strength between capacitor plates has a unit of

Which country has recently sent a team of experts to re-measure height of Mount Everest?

[A] India
[B] China
[C] Nepal
[D] Bhutan

It was reported in media that eighteen Indian institutions are part of South Asian Nitrogen Hub to study nitrogen pollution. In this context, consider the following statements:

1. Nitrogen particles make up the largest fraction of PM2.5
2. Nitrogen adds mass to air and helps in maintaining atmospheric pressure
3. Nitrous oxide (N2O) is 300 times less potent than carbon dioxide

Select the correct option from the codes given below:

[A] 1 and 2
[B] 2 and 3
[C] 1 and 3
[D] 1,2,3

Which of the following statements are correct regarding fauna of Thar desert?
1. It is home to some of India’s most magnificent grasslands and sanctuary for the Great Indian Bustard.
2. Blackbuck, wild ass, chinkara, caracal, Sandgrouse and desert fox are also found there.
3. It is an important migration flyway used by cranes and flamingos.
Select the correct option from the codes given below:

[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3

Which of the following are the main sources of indoor air pollution?

1. Excess moisture
2. New carpets
3. Outdoor pollution
4. Pesticide

Select the correct answer from the codes given below-

[A] 1,2,3,4
[B] 3 and 4 only
[C] 1,2 and 4 only
[D] 2,3 and 4 only

5. The ratio of W/VA in an ac circuit means what?

6. What is the reciprocal of quality factor?

11. What is the other name of relative permittivity?

47. What capacitance exists not through design but simply because two conducting surfaces are relatively close to each other?

48. The average value of a triangular or sawtooth wave is __________ times its peak value.

50. What is the peak factor of a triangular wave?

45. An open inductor has

46. What is the reading of an ohmmeter for a shorted capacitor?

40. The voltage lags the current by cycle in a

43. Transient period is considered over after

14. In a resonant circuit, if Q ≥ 10 resonant frequency __________ bandwidth.

33. Which statement is true?

A. A series resonant circuit is of high impedance

B. A parallel resonant circuit is of low impedance

C. A series resonant circuit is inductive if it operates at a frequency higher than the resonant frequency

D. A parallel resonant circuit is inductive if it operates at a frequency higher than the resonant frequency

34. What is considered as the most important value of a sine wave?

13. Resistor with colored bands in the body

Which of the following statements are correct regarding Simplipal Biosphere Reserve?
1) It is situated in Orissa.
2) The biosphere reserve has the largest zone of Sal in all of India.
Select the correct option from the codes given below:

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2

16. The current is ____________ times the maximum current at half-power points of a resonance curve.

20. What is the specific resistance of a pure germanium?

26. A capacitive load always has a ________ power facto

25. A tank circuit is a

In which year the ‘Operation Flood’ was launched in India?

[A] 1970
[B] 1980
[C] 1990
[D] 2000