Dept.of Botany, GDC W Hussainialam

Semester-IV

Question Bank for Internal Examination

1.      Karyokinesis differs from cytokinesis because it involves

A. Division of cytoplasm    B. Division of the Nucleus      C. Division of cell    D. B andC

2.      Meiosis involves two divisions : These divisions are

A.One reduction division and one mitotic division     B. One nuclear, and one somatic division

C. One equatorial, and one nuclear division       D. One reduction, and one cell division

3.      The term plasma lemma was coined by

A. Nageli  and crammer        B.  Nageli         C. Plowe          D.  Frey – Wyssling

4.      Fluid- Mosaic model was given by

A. Singer and Nicholson           B. Robert Brown       C. Watson and crick  D. Beadle and Tatum

5.      Plasma membrane is made up of

 A. Lipids       B. Proteins         C. Lipoproteins       D. Cellulose

6.      The term cell membrane was coined by

A. Plowe           B. Robert son           C. Overton       D. Nageli and cramer

7.      The main difference between the prokaryotic cell and the eukaryotic cell is that in the prokaryotic cell, there is no

A.  Internal membrane system   B.  cell wall    C. Genetic system    D.  Nucleus with a nuclear membrane

8.      The Unit of Cellulose is

  A. Glucose         B. Fructose      C. Mannose    4. Galactose

9.      The Plant cells differ from animal cell in

A. having chlorophyll    B. Cellulose wall   C. Bigger in size D. None of the above

10.  A prokaryotic cell lacks

A. Nuclear membrane       B. Nucleolus   C. Membrane bound cell organelles    D. All of the above

11.  Chromosome is composed of

A.  DNA           B.  Protein           C. RNA       D. DNA, RNA and Protein

12.  The nucleolus is chemically composed of

A. RNA, DNA & Protein          B. RNA and DNA only          C.  DNA only        D. RNA only

13.  Mitochondria are absent in

A. Yeast      B. Fungi           C. Green algae                D. Bacteria

14.  The main function of mitochondria is

A. Excretion          B. Respiration           C. Osmoregulation        D. Secretion

15.  The enzymes of krebs cycle occurring in the mitochondrian are located.

A. On the outer unit membrane               B. In the perimitochondrial space

                C.  On the inner unit membrane               D.  In the mitochondrial matrix

16.  Quantosomes are found in

A. Mitochondria        B. Nucleus         C . chloroplast          D. Lysosomes

17.  In higher plants chloroplast, Pigments are arranged in

A. Matrix      B. Grana of Chloroplast     C. Outer membrane of chloroplast   D. Inner membrane of chloroplast

18.  Heterozygote have

A . only dominant gene      B. Only recessive gene         C. Both of these            D.None of these

19.  Assume cross between red and white flowered plants which produce pink

               A. This is an example of dominance          B.Ths. is due to co-dominance

C. This is due to segregation                D.  This is due to incomplete dominance

20.  Back-cross is

A. Cross-between parents          B. Cross between Plants of F, generation

C. Cross between progeny and parents          D. Cross between progeny and Progeny

21.  Allele is called

A. a pair of chromosome          B. a pair of contrasting character. C. a pair of sex chromosome

 D.  None of these

22.  Crossing over occurs in

A. Meiosis               B. Mitosis              C.  Amitosis         D. All of these

23.  The Co-existence of two or more genes in the same chromosomes is termed as

A. Mutation   B. Linkage            C. Crossing over       D. Polyploidy

24.  The three important laws of heredity pro- posed by mendal related to

A.  Gene linkage, dominance and segregation              B.  Only dominance

    C. Only segregation              D.  Linkage

25.  Mendelian recombinations are due to

              A. Linkage       B. Dominance           C. Independent assortment of genes   D.None

26.  How many gametes may by Produced by an organism with the genotype RrYy

A. 6                   B. 4                   C. 2            D. 8

27.  The cross of F₁ hybrid with its recessive parent is called

A. Back cross             B. Test Cross           C. Incomplete cross   D. low cross

28.  When a gene exists in more than one form are called

A. Alleles         B. Test cross    C. Linkage         D.  Back cross

29.  Which year was Rediscovery of Mendal laws of inheritance

A.1900                   B. 1800                 C. 1600               D. 2000

30.  What is the ratio in F₂ generation of monohybrid cross

A.  4:1                       B. 1:2:1            C. 3:3         D. 2:2

31.  A pure white flowered recessive plant crossed with a dominant pure red flowered plant what shows the first generation

A. all red flowered plants           B.Pink flowers         C.White flowers           D. Red and white

32.  To produce 100 pollen grains, how many microspore mother cells

A. 25              B. 30               C. 15              D.40

33.  Exchange of chromosome segments between maternal and paternal chromatid during meiosis is called

A.    Test cross                B.Crossing over        C.Linkage               D.Back Cross

34.  During meiosis reduction of chromosomes numbers into half takes place in which phase.

A. Metaphase-I              B.  Anaphase-I          C. Prophase-I              D. All of these

35.  In meiosis crossing over takes place in which phase

A.   Zygotene             B.  Pachytene    C. Diplotene               D. Leptotene

36.  Which phase required to longest duration in mitosis  

A. G1 Phase              B. S Phase          C.  G2 Phase    D. All of these

37.  What type of shape appear in the metacentric chromosomes

A. L- shaped               B.J-shaped                C. V-shaped          D. i-Shaped

38.  Separation of homologous chromosomes during meiosis occurs at which phase

A .Metaphase-I            B. Telophase-I           C. Anaphase-I        D. Prophase-I 

39.  What plant material is best suited for studying

A. Root tips           B. Stem              C. Leaf       D.All of these

40.  The cell organelle associated with photorespiration

A. Mitochandria     B. Peroxisome          C. Golgi body       D. Glyoxysome

 

41.  Who coined the term nucleus

              a) Robert Brown b) Robert Hook c) Schleiden d) Schwan

42.  Mitosis is also known as

a) Random division b) equational division c) reduction division d) unequal division

43.  The percentage of lipids in plasma membrane

                     A. 60%                       B.            90%                  C. 80%                 D. 50%

44.  Trilamellar model was proposed by

A. Robert brown                  B.Robert hook           C. Danielli &Dayson       D. Mendel

45.  Number of chromosomes in human beings

A. 45               B. 47      C. 46          D. 23

46.  Modem cell theory was proposed by Virchow 

47.  The term cell membrane was coined by Nagelu and cramer

48.  Fluid mosaic model was given by Singer and Nicolson

49.  The two main components of plasmamembrane- Lipds and Proteins

50.  The main function of plasma membrane is to- Regulate the flow of materials into and outside the cell

51.  Plasma membrane is made up of –Lipoprotein

52.  `The chromosome ends are known as –Telomere

53.  The Word chromosome was given by-Waldeyer

54.  During mitosis the nuclear membrane disappear at which stage –Late prophase

55.  Law of segregation was proposed by –Gregor Mendal

56.  The intermediate type of inheritance in F1 generation is called as- Incomplete dominance

57.  If the centromere is terminal the chromosome is called-Telocentric

58.  The ratio of phenotypes in F 2 generation in dihybrid cross is _9: 3:3:1

59.  Mobile elements of Chromosomes proposed by –Watson and Crick

                                                            

Short questions                                                                               

1.      Mention difference between DNA and RNA

2.      Draw diagram of Chromosome

3.      Test Cross

4.      Law of segregation

5.      Lampbrush chromosomes

6.      Pachytene

7.      G1-Phase

 

 

Internal Assessment    Model Paper

Section –A

I. Multiple Choice Questions                                                                        10X ½=5

 1. to 10

Section-B

II. Fill in the Blanks                                                                                       10 X ½=5

 1. to 10 

Section-C

III. Answer all Short questions                                                                        5X1=5

1.

2.

3.

4.

5.