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Life Science Questions for RRB JE 1 (in Hindi)
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Practice questions for rrb je

Manish Shakya
I AM A SELF- STARTER WITH STRONG INTER PERSONAL SKILLS.I SEEK NEW CHALLENGES AND TRY TO THINK OUT OF THE BOX WHILE LOOKING FOR CREATIVE SOLU

U
Unacademy user
Maam thanks a lot for ur valuable support at this stage when no Material is available for Unit 1 and unit 10. I on behalf of all learner expect that u complete unit 1 by end of Mar. And i know this expectation(clinging) will not become the reason of "DUKKHA"... Salute to u from a Soldier from boarder...
Rajni
6 months ago
Thank you so much sir, i will try my best
  1. TARGET RRB JE INDIA WAP


  2. BIOLOGY


  3. .., B.TECH WITH ELECTRICAL AND ELECTRONICS FROM KIET,GHAZIABAD CLEARED GATE,SBI AND IBPS BY- MANISH KUMAR SHAKYA EMAIL ID- mani.shakya5@gmail.com FOLLOW ON https://unacademy.com/user/manish shakya-4406


  4. Q.1 THE RED COLOUR OF RED SEA IS DUE TO THE PRESENCE OF (A) MOSS (c) ALGAE (B) BACTERIA (D) FUNGI EXPLANATION- the red sea is a seawater inlet of the Indian ocean, lying between Africa and asia. An alga,of phylum cyanobacteria called trichodesmium erythraeum is present in this sea. It contains abundant quantities of pigments, phycobilin, phycoerythrin and phycocyanin, due to which the sea appears red pr pinkish


  5. Q.2 WHAT IS MRI? (A) MAGNETIC RECORD OF INTESTINES (B) MAGNETIC RECORDING OF INVESTIGATIONS (C) MAGNETIC RESONANCE IMAGING (D) MAGNETIC RESONANCE IN INDUSTRIES EXPLANATION- MRI is a test that uses to make pictures of organs and structures inside the body


  6. Q.3 FISH GENERALLY BREATHE THROUGH? (A) SKIN (B) NOSE (C) GILLS (D) FINS EXPLANATION- fish use gills to breath and gills can only bring in oxygen when moist. Out of water,a fish's gills dries out and then the fish dies.


  7. Q.4 HOW MANY PAIRS OF RIBS ARE THERE IN A HUMAN BODY? (A) 12 (B) 10 (C) 14 (D) 11 EXPLANATION- the human rib cage is made up of 12 paired(total 24 ribbone) rib bones. Each are symmetrically paired in right and the left side. The ribs are flat,thin bones that together with the sternum make up the ribcage. The ribs provide protection for vital organs in the upper body,including the heart and lungs.


  8. Q.5 DUE TO WHICH THE BLOOD HAS RED COLOUR? (A) PLASMA (B) HAEMOGLOBIN (C) HAEMOCYNIN (D) W. B.C. EXPLANATION- the red colour of the RBC(red blood cells) in the body is due to the combining of protein known as haemoglobin with oxygen. RBC are also called erythrocytes which are found only in the blood of vertebrates.there is no nucleus inside the RBC.


  9. Q.6 THE MAJOR CHEMICAL COMPOUND FOUND IN HUMAN KIDNEY STONES IS- (A) UREA (B) CALCIUM CARBONATE (C) CALCIUM OXALATE (D) CALCIUM SULPHATE EXPLANATION- a major constituent of human kidney stones is calcium oxalate.


  10. Q.7 THE PROCESS BY WHICH BLOOD IS PURIFIED IN HUMAN BODY IS CALLED- (A) DIALYSIS (B) HAEMOLYSIS (C) OSMOSIS (D) PARALYSIS EXPLANATION- dialysis is a process for removing waste and excess water from the blood and is used primarily as an artificial replacement for the lost kidney function in people with kidney failure. Dialysis filters out unwanted and fluid from blood


  11. Q.9 WHICH OF THE FOLLOWING ANIMALS STORES WATER IN INTESTINE? (A) MOLOCH (B) CAMEL (C) ZEBRA (D) UROMASTIX EXPLANATION- camels have some special abilities which enables it to walk for a long distances over sandy desert hills when there is neither water nor vegetation


  12. THANK YOU