Which Of The Following Produces Harmful Gases_________?

Related Mcqs:

1. At level above _____ , sound turns into harmful noise pollution?

   A. 80db
   B. 30db
   C. 100db
   D. 120db

   Submitted by: Eesha Khalid

2. Yellowish glandular structure which produces progesterone is_____________?

   A. Graffian follicle
   B. Ovary
   C. Corpus luteum
   D. Placenta

3. Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ________ surface of Golgi apparatus:

   A. Forming face
   B. Maturating face
   C. Any of them
   D. None of these

4. ___________ respiration is the process by which cell utilized oxygen and produces CO2 ?

   A. Cellular
   B. Organismic
   C. Both of these
   D. None of these

5. Which of the following statement is incorrect about Glyoxisomes?

   A. They contain enzymes which help in conversion of fatty acids into carbohydrate
   B. They are abundant in soyabeans but absent in pea.
   C. They are present through out life of a plant and provide them whth energy through Glyoxylate cycle.
   D. They are signle membranous organelles

6. Which of the following carbohydrate can not be hydrolysed__________________?

   A. Monosaccharide
   B. Oligosaccharide
   C. Polysaccharide
   D. None of these

7. Which of the following bacteria are thick rigid and spiral______________?

   A. Vibrio
   B. Spirillum
   C. Spirochete
   D. Coccus

8. Which of the following statement about alternation of generation in bryophytes is incorrect?

   A. It involves alternation of morphologically different generations
   B. Their gametophyte is independent while sporophyte depends upon gametophyte for nutrition.
   C. Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization
   D. Spore formation occurs through meiosis

9. All of the following are similarities between nervous and endocrine system except:_____________?

   A. Produce chemical messengers
   B. Release chemical messengers in extracellular space
   C. Homestatic in function
   D. Having slow but prolonged effects

10. Which of the following is a compensation point:

    A. Leaves respire and utilize O2 and release CO2.
    B. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.
    C. Rate of photosynthesis increases, so do the O2 production, with a net release of oxygen coupled with the uptake of CO2.
    D. Rate of respiration becomes more than rate of photosynthesis.