Masterclass Test 2 (Full 11th Syllabus)Contact Number: 8527521718Masterclass Test 2 (Full 11th Syllabus)Contact Number: 8527521718Conjugated proteins containing carbohydrates as prosthetic group are known as
1. Chromoproteins
2. Glycoproteins
3. Lipoproteins
4. Nucleoproteins
Which is an essential amino acid?
1. Serine
2. Aspartic acid
3. Glycine
4. Phenylalanine
The transfer RNA molecule in 3D appears
1. L-shaped
2. E-shaped
3. V-shaped
4. S-shaped
Which of the following bio-molecules is strictly not a polymer?
| 1. | Carbohydrates | 2. | Proteins |
| 3. | Fats | 4. | Nucleic acids |
Most of the polymerization reactions result from:
| 1. | Redox reactions | 2. | Dehydration synthesis |
| 3. | Hydrolysis | 4. | Isomerization |
The R group in a proteinaceous amino acid is hydroxymethyl. This amino acid:
1. is not an essential amino acid
2. is not genetically coded for
3. is involved in disulfide linkage
4. is acidic in nature
The given compound:
| 1. | is a storage product in archaea |
| 2. | is the source of energy in fungi |
| 3. | is present in the cell walls of gram negative bacteria |
| 4. | is a structural component of plasma membrane |
Identify the given nitrogenous base:
| 1. | Adenine | 2. | Guanine |
| 3. | Thymine | 4. | Cytosine |
Prokaryotic and eukaryotic flagella differ in
1. Type of movement and placement
2. Location and mode of functioning
3. Microtubular structure and function
4. Microtubular organisation and type of movement
Chlorophyll occurs in chloroplast in
| 1. | Inner membrane | 2. | Thylakoid membrane |
| 3. | Outer membrane | 4. | Stroma |
What is correct?
1. DNA content becomes double during G1- phase
2. Duration of interphase is short as compared to M-phase
3. G2-phase follows mitotic phase
4. DNA-replication occurs in S-phase
Cell is the fundamental structural and functional unit of all living organisms. This statement can be best justified by the fact that:
| 1. | The cells contain nucleic acids that contain genetic information |
| 2. | A large number of organelles present in the cell perform various functions |
| 3. | Anything less than a complete structure of a cell does not ensure independent living |
| 4. | All multi-cellular organisms begin their life as a single celled zygote |
Who first saw and described a living cell?
| 1. | Anton Von Leeuwenhoek | 2. | Robert Hooke |
| 3. | Robert Brown | 4. | Rudolph Virchow |
Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells?
| 1. | Matthias Shcleiden | 2. | Theodor Schwann |
| 3. | J. B. S. Haldane | 4. | Rudolph Virchow |
The famous aphorism ‘omniscellula-e-cellula’ was added to the cell theory in 1855 by
| 1. | Matthias Shcleiden | 2. | Theodor Schwann |
| 3. | J. B. S. Haldane | 4. | Rudolph Virchow |
Ribosomes are non-membrane bound organelles found in:
| 1. | All prokaryotic cells only |
| 2. | All eukaryotic cells only |
| 3. | All somatic cells in eukaryotic organisms only |
| 4. | All cells |
The diversity in living beings is due to
1. Mutations
2. Long term evolutionary changes
3. Short term evolutionary changes
4. Gradual changes
Metameric segmentation is the characteristic of
| 1. | Mollusca and chordata |
| 2. | Platyhelminthes and arthropoda |
| 3. | Echinodermata and annelida |
| 4. | Annelida and arthropoda |
Biradial symmetry and lack of cnidoblasts are the characteristics of
1. Hydra and starfish
2. Starfish and sea anemone
3. Ctenoplana and Beroe
4. Aurelia and Paramoecium
Which one of the following is not a living fossil?
1. Peripatus
2. King crab
3. Sphenodon
4. Archaeopteryx
In which one of the following sets of animals, all the four, give birth to young ones?
| 1. | Kangaroo, hedgehog, dolphin, loris |
| 2. | Lion, bat, whale, ostrich |
| 3. | Platypus, penguin, bat, hippopotamus |
| 4. | Shrew, bat, cat, kiwi |
In some Bilateria, the body is of many segments that show serial repetition of parts. Such segments are called as:
1. Myotomes
2. Metameres
3. Proglottides
4. Comb plates
The phylum with exclusively marine animals is:
| 1. | Porifera | 2. | Cnidaria |
| 3. | Ctenophora | 4. | Platyhelminthes |
Which of the following is not a feature of birds?
| 1. | Forelimbs modified into wings |
| 2. | Single occipital condyle |
| 3. | Ten pairs of cranial nerves |
| 4. | Four chambered heart |
Chordates are not characterized by:
| 1. | Ventral nerve cord | 2. | Post anal tail |
| 3. | Gill slits | 4. | A notochord |
Notochord is derived from embryonic:
1. Ectoderm
2. Mesoderm
3. Endoderm
4. Ectoderm and Mesoderm
Identify the phylum where the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches between ectoderm and endoderm :
1. Cnidaria
2. Platyhelminthes
3. Mollusca
4. Aschelminthes
Sponges are mostly:
| 1. | Asymmetrical | 2. | Radially symmetrical |
| 3. | Bilateraly symmetrical | 4. | Biradially symmetrical |
What is present between ectoderm and endoderm in diploblastic animals?
1. Mesenteron
2. Mesenchyme
3. Mesorchium
4. Mesoglea
Simple epithelium is a tissue in which the cells are
| 1. | hardened and provide support to the organ |
| 2. | cemented directly to one another to form a single layer |
| 3. | continuously dividing to provide form to an organ |
| 4. | loosely connected to one another to form an irregular organ |
The polysaccharide present in the matrix of a cartilage is known as
1. cartilagin
2. ossein
3. chondroitin
4. cassein
A piece of bone, such as femur of frog, if kept in dilute HCI for about a week will
| 1. assume black colour | 2. shrink in size |
| 3. turn flexible | 4. crack into pieces |
Identify the incorrectly matched pair:
| Type of epithelium | Location | |
| 1. | Simple squamous | Blood vessels and alveoli |
| 2. | Simple cuboidal non brush bordered epithelium | Proximal convoluted tubule |
| 3. | Columnar epithelium | Stomach and small intestine |
| 4. | Ciliated epithelium | Bronchioles and fallopian tubes |
Unicellular glands located in the alimentary canal are called as:
| 1. | Paneth cells | 2. | Peyer’s patches |
| 3. | Goblet cells | 4. | Histiocytes |
What is the best description of an endocrine gland?
| 1. | They secrete mucus, saliva, ear wax and digestive enzymes |
| 2. | Their products are released through ducts or tubes |
| 3. | Unlike exocrine glands, they are not modified epithelium |
| 4. | Their secretions are secreted directly into the fluid bathing the gland |
What type of epithelial cell junctions facilitate the cells to communicate with each other?
1. Gap junctions
2. Adhering junctions
3. Tight junctions
4. Plasmodesmata
The cells in areolar loose connective tissue that can secrete histamine are:
| 1. | Fibroblasts | 2. | Macrophages |
| 3. | Mast cells | 4. | Basophils |
P-protein is found in
1. Parenchyma
2. Collenchyma
3. Sieve tube
4. Xylem
Which of the following is a primary meristem?
1. Plerome
2. Protoderm
3. Intercalary meristem
4. All
Tracheids are
1. Elongated cells with tapering ends and unperforated end walls
2. Elongated cells with tapering ends and perforated end wall
3. Rounded cells with lignified walls
4. Both (1) and (2)
Which of the following plants are used as green manure in crop fields and in sandy soils
1. Crotolariajuncea and Alhagicamelorum
2. Calotropisprocera and Phyllanthusnintri
3. Saccharummunja and Lantana camara
4. Dichanthiumannulatum and Azollanilotica
What is the arrangement of various regions starting from root tip?
| 1. | Root cap, cell division, cell enlargement and cell maturation |
| 2. | Root cap, cell division, cell maturation and cell enlargement |
| 3. | Cell division, cell maturation, cell enlargement and root cap |
| 4. | Cell division, cell enlargement, cell maturation and root cap |
Sweet potato is homologous to:
| 1. | Potato | 2. | Colocasia |
| 3. | Ginger | 4. | Turnip |
Roots play insignificant role in absorption of water in:
1. Pistia
2. Pea
3. Wheat
4. Sunflower
Root hairs develop from the region of:
1. Maturation
2. Elongation
3. Root cap
4. Meristematic activity
Sweet potato is a modified
1. Stem
2. Rhizome
3. Tap root
4. Adventitious root
Organisms which obtain energy by oxidation of reduced inorganic compounds are
| 1. | Photoautotrophs | 2. | Saprotrophs |
| 3. | Photoheterotrophs | 4. | Chemoheterotrophs |
A fungal disease that spreads by seeds and flowers is
1. Loose smut of Wheat
2. Corn smut
3. Covered smut of Barley
4. Soft rot of Potato
Toxin is secreted during storage condition by
1. Fusarium
2. Colletotrichum
3. Penicillium
4. Aspergillus
In lichens, fungus has
1. Symbiotic relationship with alga
2. Epiphytic relationship with alga
3. Saprophytic relationship with alga
4. Parasitic relationship with alga
Bryophytes have
1. Archegonia
2. Dominant gametophytic and parasitic sporophytic phases
3. Thalloid plant body
4. All the above
Chl a, Chl d and phycoerythrin occur in
| 1. | Chlorophyceae | 2. | Bacillariophyceae |
| 3. | Cyanophyceae | 4. | Rhodophyceae |
Wood of Pinus is
1. Manoxylic and homoxylous
2. Manoxylic and heteroxylous
3. Pycnoxylic and homoxylous
4. Pycnoxylic and heteroxylous
A bacterium divides every 35 minutes. If a culture containing 105 cells per mL is grown for 175 minutes, what will be the cell concentration per mL after 175 minutes ?
1. 175 × 105 cells
2. 85 × 105 cells
3. 35 × 105 cells
4. 32 × 105 cells
Mitotic spindles are mainly composed of which protein?
| 1. | Actin | 2. | Tubulin |
| 3. | Actomyosin | 4. | Myoglobin |
Best material for the study of mitosis in laboratory is
1. anther
2. root tip
3. leaf tip
4. ovary
Roots arising from the parts of a plant other than radical are called as:
| 1. | Tap root | 2. | Fibrous roots |
| 3. | Adventitious roots | 4. | Lateral roots |
In a flower, if the gynoecium occupies the highest position, the flower is said to be:
| 1. | Superior | 2. | Inferior |
| 3. | Hypogynous | 4. | Epigynous |
Adventitious roots get swollen and store food in:
1. Carrot
2. Turnip
3. Radish
4. Sweet Potato
Match each item in Column I with one in Column II and select the correct option from the codes given below:
| COLUMN I [Phyllotaxy] | COLUMN II [Example] | ||
| A. | Alternate | a. | China rose |
| B. | Opposite | b. | Calotropis |
| C. | Whorled | c. | Alstonia |
Codes:
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
The stems of maize and sugarcane have:
| 1. | stilt roots that are hanging and supporting structures |
| 2. | prop roots that are hanging and supporting structures |
| 3. | prop roots coming out from the nodes in upper stem |
| 4. | supporting stilt roots coming out of the lower nodes of the stem |
Identify the incorrectly matched pair:
|
Aestivation type |
Example |
|
|
1. |
Valvate |
Calotropis |
|
2. |
Twisted |
Bean |
|
3. |
Imbricate |
Gulmohur |
|
4. |
Vexillary |
Pea |
What is not true for a stem in a flowering plant in general?
| 1. | Negatively geotropic |
| 2. | Develops from plumule of the germinating embryo |
| 3. | Absence of terminal and axillary buds |
| 4. | Spreads out branches bearing leaves, flowers and fruits |
Stem tendrils are present in all the following except:
| 1. Citrus | 2. Watermelon |
| 3. Cucumber | 4. Grapevines |
Cuticle:
1. is a covering, both outside and inside of the epidermis
2. is well developed in roots
3. helps in prevention of water loss
4. is a proteinaceous layer
In a dicot stem, the pericycle is present on the inner side of the endodermis and:
| 1. | above the phloem, in form of semi-lunar patches of sclerenchyma |
| 2. | above the xylem, in form of semi-lunar patches of sclerenchyma |
| 3. | above the phloem, in form of semi-lunar patches of collenchyma |
| 4. | above the xylem, in form of semi-lunar patches of collenchyma |
In a dicot root, initiation of lateral roots and vascular cambium during the secondary growth takes place in the cells of:
| 1. | Outer cortex | 2. | Inner cortex |
| 3. | Endodermis | 4. | Pericycle |
In a dicot stem the term 'starch sheath' is used for:
| 1. | Epidermis with guard cells | 2. | Hypodermis |
| 3. | Endodermis | 4. | Pericycle |
Match each item in Column I with one in Column II and choose your answer from the codes given below:
|
COLUMN I |
COLUMN II |
|
A. Parenchyma |
a. Mechanical support to young stem and petiole |
|
B. Collenchyma |
b. Thin cellulosic cell walls |
|
C. Sclerenchyma fibers |
c. Thickened dead cells with very narrow cavities |
|
D. Sclereids |
d. Thick walled, elongated and pointed cells |
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | d | c |
| 3. | b | d | c | a |
| 4. | d | c | b | a |
Identify the stage of mitosis shown in the given diagram:
| 1. | Prophase | 2. | Metaphase |
| 3. | Anaphase | 4. | Telophase |
Identify the correct statements regarding G1 phase of the cell cycle:
| I: | It is the post-mitotic gap phase |
| II: | The cell is metabolically active and grows continuously |
| III: | Cell replicates its DNA |
| 1. | Only II | 2. | I and II only |
| 3. | Only I | 4. | I, II and III |
What would be the DNA content and chromosome number in a cell at the end of S phase with 2C DNA content and 2N chromosome number in G1?
| 1. | 4C and 4N | 2. | 2C and 4N |
| 3. | 4C and 2N | 4. | 2C and 2N |
Proteins are synthesized in preparation for mitosis during:
| 1. | G1 phase | 2. | S phase |
| 3. | G2 phase | 4. | M phase |
The cells in the quiescent stage [G0] phase of the cell cycle:
| 1. | exit from the S phase |
| 2. | continue the events of cell cycle and complete the division |
| 3. | are metabolically active |
| 4. | cannot ever proliferate |
In Linnaeus’ time, the number of Kingdoms of living organisms was
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
The bacterial cell wall is composed of a unique compound called
1. Hemicellulose
2. Chitin
3. Peptidoglycan
4. Phospholipid
Fungi can be distinguished from other living organisms by
1. Presence of chitinous cell wall
2. Structure of cell membrane
3. Mode of nutrition
4. Multicellular body organization
Chlamydomonas and Chlorella are now kept in the Kingdom
1. Plantae
2. Fungi
3. Monera
4. Protista
After Animalia and Plantae, the first Kingdom to be created was
1. Monera
2. Protista
3. Archaea
4. Fungi
The members of deuteromycetes reproduce only by asexual spores called as:
| 1. | Zoospores | 2. | Sporangiospores |
| 3. | Aplanospores | 4. | Conidia |
Match the bacteria in Column I with its shape in Column II and select the correct option from the codes given below:
|
COLUMN I |
|
COLUMN II |
|
|
A |
Bacillus |
a |
Rod |
|
B |
Coccus |
b |
Spherical |
|
C |
Spirilla |
c |
Spiral |
|
D |
Vibrio |
d |
Comma |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | a | d | c | b |
| 4. | b | a | d | c |
Which of the following will not be involved in sexual reproduction in fungi?
| 1. | Oospores | 2. | Zoospores |
| 3. | Ascospores | 4. | Basidiospores |
The dominant generation in a fern is the:
1. gametophyte
2. haploid
3. sporophyte
4. haplont
The leaf-like photosynthetic organ in brown algae is called as:
1. Holdfast
2. Stipe
3. Frond
4. Rhizoid
What is not true for mosses?
| 1. | Sporophyte is less elaborate than liverworts |
| 2. | Protonema stage develops directly from a spore |
| 3. | Leafy stage develops from a secondary protonema as a lateral bud |
| 4. | They are attached to soil through multicellular and branched rhizoids |
Antheridium of bryophytes produce _______ antherozoids.
| 1. | Non-motile | 2. | Uni-flagellate |
| 3. | Biflagellate | 4. | Ciliate |
Identify the incorrect statement regarding green algae:
1. Major pigments are chlorophyll a and b
2. Stored food is floridean starch
3. Cellulosic cell wall
4. 2-8, equal and apical flagellar insertions
Wheat belongs to the Order:
| 1. | Poaceae | 2. | Poales |
| 3. | Monocotyledonae | 4. | Angiospermae |
As we go down in the taxonomic hierarchy, the number of characters shared by the members of the taxon:
| 1. | Increases | 2. | Decreases |
| 3. | Remains the same | 4. | Can increase or decrease |
Which of the following are synonymous?
1. Living state and Metabolism
2. Growth and Reproduction
3. Coma and Brain death
4. Homeostasis and Thermoregulation