Railway Board offers opulent and revered job posts to its aspirants. And it is not every year that we get the notification from Railway offering a good number of vacant seats to the multitude aspirants. But the current year 2018 brought a pleasant surprise with almost 1,20,000 seats to be filled by the valid candidates. Opportunity is here but you have to welcome it with a provident strategy.
रेलवे बोर्ड अपने उम्मीदवारों के लिए भव्य और प्रतिष्ठित कार्य पदों की पेशकश करता है. और हर साल ऐसा नहीं होता है कि हमें रेलवे की ओर से अधिसूचना मिलती है. लेकिन वर्तमान वर्ष 2018 आपके लिए बहुत सुखद वर्ष है क्योंकि इसमें लगभग 1,20,000 सीटों को वैध उम्मीदवारों द्वारा भरा जाएगा. आपके पास बहुत अच्छा अवसर है और आपको इसे एक बेहतर रणनीति से प्राप्त करना होगा.
Q1. Plants growing on rocks are called:
चट्टानों पर उगने वाले पौधे क्या कहलाते है?
(a) Epiphytes /एपीफाईटस
(b) Halophytes / हलोफाईटस
(c) Xerophytes / मरूद्भिद
(d) Lithophytes /लिथोफाईटस
S1. Ans.(d)
Sol. Lithophytes are plants that grow in or on rocks. Those that grow on rocks are also known as epipetric or epilithic plants. Lithophytes feed off nutrients from rain water and nearby decaying plants, including their own dead tissue.
Sol. Lithophytes are plants that grow in or on rocks. Those that grow on rocks are also known as epipetric or epilithic plants. Lithophytes feed off nutrients from rain water and nearby decaying plants, including their own dead tissue.
Q2.The membrane covering the lungs is a –
फेफड़ों को कवर करने वाली झिल्ली क्या कहलाती है?
(a) Pleura / फुस्फुस का आवरण
(b) Pericardium / पेरीकार्डियम
(c) Peritoneum / पेरिटोनियम
(d) Mesothelium / मेसोथेलियम
Show Answer
S2.Ans.(a)
Sol. The pleural membrane is thin, moist, slippery and has two layers. The outer, or parietal, pleura lines the inside of the rib cage and the diaphragm while the inner, visceral or pulmonary, layer covers the lungs.
Sol. The pleural membrane is thin, moist, slippery and has two layers. The outer, or parietal, pleura lines the inside of the rib cage and the diaphragm while the inner, visceral or pulmonary, layer covers the lungs.
Q3. An adult human normally has –
एक वयस्क व्यक्ति के आमतौर पर-
(a) 6 molar teeth /6 दाढ़ दांत
(b) 8 molar teeth / 8 दाढ़ दांत
(c) 10 molar teeth / 10 दाढ़ दांत
(d) 12 molar teeth /12 दाढ़ दांत
Show Answer
S3.Ans.(d)
Sol. An adult human normally has 12 molar teeth.
Sol. An adult human normally has 12 molar teeth.
Q4. Plants get water through the roots because of –
पौधों को जड़ों के माध्यम से पानी कैसे मिलता है?
(a) Elasticity / लोच
(b) Capillarity / कपिलैरिटि
(c) Viscosity / चिपचिपापन
(d) Photosynthesis / प्रकाश संश्लेषण
Show Answer
S4.Ans.(b)
Sol. Plants use capillary action to bring water up the roots and stems to the rest of the plant.
Sol. Plants use capillary action to bring water up the roots and stems to the rest of the plant.
Q5.Which of the following cells secrete insulin?
निम्नलिखित में से कौन सी कोशिकाएं इंसुलिन स्रावित करती हैं?
(a) Alpha cells / अल्फा कोशिकाएं
(b) Delta cells / डेल्टा कोशिकाएं
(c) Nerve cells / तंत्रिका कोशिकाएं
(d) Beta cells / बीटा कोशिकाएं
Show Answer
S5.Ans.(d)
Sol. Beta cells secrets Insulin.
Sol. Beta cells secrets Insulin.
Q6. The maximum amount of element found in human body is-
मानव शरीर में पाए जाने वाले तत्व की अधिकतम मात्रा क्या है?
(a) Iron / लोहा
(b) Sodium / सोडियम
(c) Phosphorus / फास्फोरस
(d) Calcium / कैल्शियम
Show Answer
S6. Ans.(d)
Sol. Almost 99% of the mass of the human body is made up of six elements, these are Oxygen (65%), Carbon (18%), Hydrogen (10%), Nitrogen (3%), Calcium (1.4%) and Phosphorus (1.1%).
Sol. Almost 99% of the mass of the human body is made up of six elements, these are Oxygen (65%), Carbon (18%), Hydrogen (10%), Nitrogen (3%), Calcium (1.4%) and Phosphorus (1.1%).
Q7. At the age of 20 years, the number of bones in human body is approximately-
20 साल की उम्र में, मानव शरीर में हड्डियों की संख्या लगभग कितनी होती है?
(a) 100
(b) 200
(c) 300
(d) None of these / इनमें से कोई नहीं
20 साल की उम्र में, मानव शरीर में हड्डियों की संख्या लगभग कितनी होती है?
(a) 100
(b) 200
(c) 300
(d) None of these / इनमें से कोई नहीं
Show Answer
S7. Ans.(d)
Sol. The skeleton of an adult human body consists of 206 bones. It is composed of 213 bones in a child, which decreases to 206 bones by adulthood after some bones have fused together. Together these bones from the axial skeleton and the appendicular skeleton.
Sol. The skeleton of an adult human body consists of 206 bones. It is composed of 213 bones in a child, which decreases to 206 bones by adulthood after some bones have fused together. Together these bones from the axial skeleton and the appendicular skeleton.
Q8. Match List I with List II and select the correct answer from the code given below the lists:
सूची I के साथ सूची II को मिलाये और नीचे दिए गए कोड से सही उत्तर का चयन करें:
List I / सूची I List II / सूची II
(Disease) (रोग) (Cause) (कारण)
A. Nightblindness/रतौंधी 1. Vitamin D/विटामिन D
B. Rickets/सूखा रोग 2. Vitamin C /विटामिन C
C. Scurvy/ पाजी 3. Vitamin B /विटामिन B
D. Beri-beri/ बेरी-बेरी 4. Vitamin A /विटामिन A
Code: / कोड:
A B C D
(a) 1 2 3 4
(b) 3 4 1 2
(c) 4 1 2 3
(d) 2 3 4 1
सूची I के साथ सूची II को मिलाये और नीचे दिए गए कोड से सही उत्तर का चयन करें:
List I / सूची I List II / सूची II
(Disease) (रोग) (Cause) (कारण)
A. Nightblindness/रतौंधी 1. Vitamin D/विटामिन D
B. Rickets/सूखा रोग 2. Vitamin C /विटामिन C
C. Scurvy/ पाजी 3. Vitamin B /विटामिन B
D. Beri-beri/ बेरी-बेरी 4. Vitamin A /विटामिन A
Code: / कोड:
A B C D
(a) 1 2 3 4
(b) 3 4 1 2
(c) 4 1 2 3
(d) 2 3 4 1
Show Answer
S8. Ans.(c)
Sol. Nightblindness is caused due to deficiency of vitamin A, Rickets caused due to deficiency of vitamin D, Scurvy is caused by deficiency of vitamin C and Beri-Beri is result of deficiency of Vitamin B1.
Sol. Nightblindness is caused due to deficiency of vitamin A, Rickets caused due to deficiency of vitamin D, Scurvy is caused by deficiency of vitamin C and Beri-Beri is result of deficiency of Vitamin B1.
Q9. Water soluble vitamin is-
पानी में घुलनशील विटामिन कौन सा है?
(a) Vitamin A / विटामिन A
(b) Vitamin C / विटामिन C
(c) Vitamin D / विटामिन D
(d) Vitamin E / विटामिन E
पानी में घुलनशील विटामिन कौन सा है?
(a) Vitamin A / विटामिन A
(b) Vitamin C / विटामिन C
(c) Vitamin D / विटामिन D
(d) Vitamin E / विटामिन E
Show Answer
S9. Ans.(b)
Sol. Vitamin B and C are water soluble vitamins whereas A, D, E and K are fat-soluble Vitamins.
Sol. Vitamin B and C are water soluble vitamins whereas A, D, E and K are fat-soluble Vitamins.
Q10. Vitamin ‘C’ help in absorption of which of following elements?
निम्नलिखित में से विटामिन ‘सी’ किस तत्व के अवशोषण में मदद करता है?
(a) Iron /लोहा
(b) Calcium /कैल्शियम
(c) Iodine /आयोडीन
(d) Sodium /सोडियम
निम्नलिखित में से विटामिन ‘सी’ किस तत्व के अवशोषण में मदद करता है?
(a) Iron /लोहा
(b) Calcium /कैल्शियम
(c) Iodine /आयोडीन
(d) Sodium /सोडियम
Show Answer
S10. Ans.(a)
Sol. Vitamin C is helpful in iron absorption whereas vitamin D helps in absorption of magnesium and calcium.
Sol. Vitamin C is helpful in iron absorption whereas vitamin D helps in absorption of magnesium and calcium.
Q11. Which one of following hormones stimulates pancreas for the production of digestive juice?
निम्नलिखित में से कौन सा हार्मोन पाचन रस के उत्पादन के लिए अग्न्याशय को उत्तेजित करता है?
(a) Rennin / रेनिन
(b) Trypsin / ट्रिप्सिन
(c) Secretin / सेक्रेतिन
(d) Pepsin / पेप्सिन
निम्नलिखित में से कौन सा हार्मोन पाचन रस के उत्पादन के लिए अग्न्याशय को उत्तेजित करता है?
(a) Rennin / रेनिन
(b) Trypsin / ट्रिप्सिन
(c) Secretin / सेक्रेतिन
(d) Pepsin / पेप्सिन
Show Answer
S11. Ans.(c)
Sol. Secretin is a hormone that stimulates pancreas for the production of digestive juice. Secretin also helps to regulate the pH of the duodenum by inhibiting the secretion of gastric acid from the parietal cells of the stomach. It also stimulates the contraction of the pancreas. .
Sol. Secretin is a hormone that stimulates pancreas for the production of digestive juice. Secretin also helps to regulate the pH of the duodenum by inhibiting the secretion of gastric acid from the parietal cells of the stomach. It also stimulates the contraction of the pancreas. .
Q12. Yeast is an example of
खमीर किस का एक उदाहरण है?
(a) Bacteria / जीवाणु
(b) Fungus / फफूंद
(c) Virus / वाइरस
(d) Algae / शैवाल
खमीर किस का एक उदाहरण है?
(a) Bacteria / जीवाणु
(b) Fungus / फफूंद
(c) Virus / वाइरस
(d) Algae / शैवाल
Show Answer
S12. Ans. (b)
Sol .Yeasts, molds and mushrooms are example of fungi.
Sol .Yeasts, molds and mushrooms are example of fungi.
Q13. Which of the following is a source of bio-fertilizer?
निम्नलिखित में से कौन सा जैव-उर्वरक का स्रोत है?
(a) Yeast/ खमीर
(b) Chlorella/ च्लोरेल्ला
(c) Azolla/ एजोला
(d) Mold/ मोल्ड
निम्नलिखित में से कौन सा जैव-उर्वरक का स्रोत है?
(a) Yeast/ खमीर
(b) Chlorella/ च्लोरेल्ला
(c) Azolla/ एजोला
(d) Mold/ मोल्ड
Show Answer
S13. Ans. (c)
Sol. Azolla has the capability of nitrogen-fixing. That is way it is being widely used as a bio-fertilizer, especially in parts of southeast Asia.
Sol. Azolla has the capability of nitrogen-fixing. That is way it is being widely used as a bio-fertilizer, especially in parts of southeast Asia.
Q14. One term that generates the maximum number of ATP atoms in our system?
एक शब्द जो हमारे सिस्टम में अधिकतम ATP परमाणु उत्पन्न करता है?
(a) Decomposition of glucose / ग्लूकोज की अपघटन
(b) Kreb’s cycle / क्रेब्स चक्र
(c) Last respiratory series / अंतिम श्वसन श्रृंखला
(d) Water decomposition / जल अपघटन
एक शब्द जो हमारे सिस्टम में अधिकतम ATP परमाणु उत्पन्न करता है?
(a) Decomposition of glucose / ग्लूकोज की अपघटन
(b) Kreb’s cycle / क्रेब्स चक्र
(c) Last respiratory series / अंतिम श्वसन श्रृंखला
(d) Water decomposition / जल अपघटन
Show Answer
S14. Ans.(b)
Sol. Kreb’s cycle is a cycle of enzyme-catalyzed reactions in living cells that is the final series of reactions of aerobic metabolism of carbohydrates, proteins, and fatty acids. Due to this carbon dioxide is produced, oxygen is reduced and ATP is formed.
C_6 H_12 O_6+6O_2⇒+6H_2 O+energy (as A T P)
In a eukaryotic cell, the citric acid cycle occurs in the matrix of the mitochondrion. This cycle was discovered by Hans Kerb’s in 1937.
Sol. Kreb’s cycle is a cycle of enzyme-catalyzed reactions in living cells that is the final series of reactions of aerobic metabolism of carbohydrates, proteins, and fatty acids. Due to this carbon dioxide is produced, oxygen is reduced and ATP is formed.
C_6 H_12 O_6+6O_2⇒+6H_2 O+energy (as A T P)
In a eukaryotic cell, the citric acid cycle occurs in the matrix of the mitochondrion. This cycle was discovered by Hans Kerb’s in 1937.
Q15. How many times, a healthy person’s average heart beats in a minute-
एक स्वस्थ व्यक्ति का दिल एक मिनट में औसतन कितनी बार धड़कता है?
(a) 86 times / 86 बार
(b) 98 times /98 बार
(c) 72 times /72 बार
(d) 64 times /64 बार
एक स्वस्थ व्यक्ति का दिल एक मिनट में औसतन कितनी बार धड़कता है?
(a) 86 times / 86 बार
(b) 98 times /98 बार
(c) 72 times /72 बार
(d) 64 times /64 बार
Show Answer
S15. Ans.(c)
Sol. Heart rate is the speed of the heartbeats, measured by the number of contractions of the heart typically beats per minute. Our heart beats about 72 times a minute under normal conditions. During sleep a slow heartbeat rates around 40-50 BPM is common. The cardiac cycle refers to a complete heart beat from its generation to the beginning of the next beat.
Sol. Heart rate is the speed of the heartbeats, measured by the number of contractions of the heart typically beats per minute. Our heart beats about 72 times a minute under normal conditions. During sleep a slow heartbeat rates around 40-50 BPM is common. The cardiac cycle refers to a complete heart beat from its generation to the beginning of the next beat.
