25 - 50 QUESTION 25 Which of these would not have enough energy to stimulate pho

Question

25 - 50

QUESTION 25

Which of these would not have enough energy to stimulate photosynthesis?                          

x-rays                  

gamma rays                      

ultra violet rays                

infra red rays

QUESTION 26

How many cells are there following mitotic cytokinesis of a cell with 36 chromosomes?                     

2                           

4                           

18                         

36

QUESTION 27

Which of the following would be a diploid cell?                   

sperm                  

egg                      

zygote                 

both a and b

QUESTION 28

During which phase do duplicated homologous chromosomes reach the poles?                     

telophase of meiosis I                   

anaphase of mitosis                       

prophase of meiosis II                   

cytokinesis

QUESTION 29

How many chromosomes are there in a human cell following mitosis?                      

2                           

4                           

23                         

46

QUESTION 30

During which phase do homologous chromosomes exchange genes?                         

prophase of meiosis I                    

metaphase of mitosis                    

anaphase of meiosis II                  

interphase

QUESTION 31

During which phase would chromosomes begin to split apart?                      

prophase                           

anaphase            

telophase           

cytokinesis

QUESTION 32

Which of these molecules would NOT contribute to cell respiration?                          

glucose

proteins                             

lipids                    

they would all contribute

QUESTION 33

During which phase does cytoplasmic division occur?                       

prophase                           

metaphase                        

interphase                         

cytokinesis

QUESTION 34

How many ATPs are formed at the very end of cellular respiration?             

2                           

10                         

28                         

36

QUESTION 35

When spindle fibers form, they attach to:                             

centromeres                     

microtubules

nuclear membrane          

cell membrane

QUESTION 36

The end product of glycolysis is production of:                    

ATP                      

glucose               

pyruvic acid        

oxygen

QUESTION 37

Without oxygen, which of these organisms would go into fermentation?                  

humans               

bacteria              

yeast    

all of them

QUESTION 38

The electron transport system occurs in which part of the cell?      

mitochondria     

smooth ER                        

rough ER             

thylakoid

QUESTION 39

Carbon fixation occurs within the:                           

stroma                

thylakoid                           

cristae                 

ribosome

QUESTION 40

During oxygen debt, lactic acid is converted back to:                        

oxygen

pyruvic acid                       

glucose               

Acetyl CoA

QUESTION 41

A cell with 24 chromosomes would have how many chromosomes at the very end of meiosis?                             

2                           

4                           

12                         

24

QUESTION 42

The light independent reaction occurs in the:                       

thylakoid                           

stroma                

photosystem     

cristae

QUESTION 43

In which organ would you find haploid cells?         

heart                   

liver                     

ovary    

all of them

QUESTION 44

The citirc acid acid (CAC) occurs in which part of the cell?                

mitochondria                    

nucleus

cytoplasm                         

cell membrane

QUESTION 45

What is another term for n?                       

haploid                

diploid  

chromatin                         

gamete

QUESTION 46

The waste product(s) of photosynthesis is/are:                    

CO2                     

H2O                     

Oxygen               

Both a and b

QUESTION 47

ATPase is an important enzyme located in what part of the cell?                  

cristae  

nucleus               

ribosome                           

cell membrane

QUESTION 48

During which phase would you first be able to see chromosomes?

interphase          

prophase                           

metaphase

anaphase

QUESTION 49

During which phase would individual homologous chromosomes reach the end of the cell?               

anaphase of mitosis                       

telophase of mitosis                      

prophase of mitosis                       

telophase of meiosis

QUESTION 50

Which of these would be a waste product of glycolysis?

water

carbon dioxide  

both a and b

Explanation / Answer

QUESTION 26

How many cells are there following mitotic cytokinesis of a cell with 36 chromosomes?                     

2 correct : each mitotic division forms two daughter cells   

QUESTION 27

Which of the following would be a diploid cell?

zygote : correct as it is result of fusion of two diploid cells.

QUESTION 28

During which phase do duplicated homologous chromosomes reach the poles?                     

telophase of meiosis I      

(Not sure statement is not very clear)

QUESTION 29

How many chromosomes are there in a human cell following

46: correct number of chromosomes is diploid cell is 46.

QUESTION 30

During which phase do homologous chromosomes exchange genes?                         

prophase of meiosis I : this is the phase during which crossing over between non sister chromatids of homologous chromosomes occurs.

QUESTION 31

During which phase would chromosomes begin to split apart?                      

anaphase : demarcated by shortening of spindle fibres that causes

QUESTION 32

Which of these molecules would NOT contribute to cell respiration

they would all contribute : IN different conditions lipids glucose proteins act as respiratory substrate.

QUESTION 33

During which phase does cytoplasmic division occurs?   

cytokinesis: it is division of cytoplasm that leads to formation of two cells. It occurs after telophase

QUESTION 34

How many ATPs are formed at the very end of cellular respiration?   

36 : 8 glycolysis+ 6 oxidative decarboxylation+ 24 Krebs cycle-2 shuttle system followed.

QUESTION 35

When spindle fibers form, they attach to:                             

centromeres : spindle fibres attach to kinetochore at centromere.

QUESTION 36

The end product of glycolysis is production of:                    

ATP : it is chemical form of energy produced by cel respiration.

QUESTION 37

Without oxygen, which of these organisms would go into fermentation?                  

yeast : it shows fermentation in absence of oxygen.

QUESTION 38

The electron transport system occurs in which part of cell

Mitochondria: ETS is present in inner mitochondrial membrane

QUESTION 39

Carbon fixation occurs within the:                           

stroma : It is site of dark reaction during which carbon dioxide is fixed to carbohydrates

QUESTION 40

During oxygen debt, lactic acid is converted back to:                        

oxygen

pyruvic acid                       

glucose               

Acetyl CoA

QUESTION 41

A cell with 24 chromosomes would have how many chromosomes at the very end of meiosis?   

12 : During meiosis chromosome number reduces to half.

QUESTION 42

The light independent reaction occurs in the:                       

Stroma: it is site of dark reaction also called light independent reaction.

QUESTION 43

In which organ would you find haploid cells?

ovary : produces eggs that are haploid

QUESTION 44

The citirc acid acid (CAC) occurs in which part of the cell?                

mitochondria : it is site of citric acid cycle .

QUESTION 45

What is another term for n?                       

Haploid: n represents haploid genome.

QUESTION 46

The waste product(s) of photosynthesis is/are:

Oxygen : also called product of photosynthesis

QUESTION 47

ATPase is an important enzyme located in what part of the cell?                  

Cristae: ie inner membrane of mitochondria

QUESTION 48

During which phase would you first be able to see chromosomes?

  

prophase ; condensation starts in this phase   

QUESTION 49

During which phase would individual homologous chromosomes reach the end of the cell?   

telophase of meiosis

QUESTION 50

Which of these would be a waste product of glycolysis?

both a and b: both carbon dioxide and water

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