Which Of The Following Is Not Nocturnal?
Which Of The Following Is Not Nocturnal?
Butterfly | |
Cockroach | |
Bedbug | |
Mosquito |
پاک اسٹڈی لائبریری اپنی خدمات کو بہتر کرنے کے لئے نئے سوفٹ وئیر انسٹال کررہی ہے ۔ اس لئے آئندہ کچھ دن آپ کو کچھ صفحات تک رسائی میں مشکلات کا سامنا ہوسکتا ہے ۔ جس کے لئے ہم معذرت خواہ ہیں۔
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biology mcqs with answers
Which Of The Following Is Not Nocturnal?
Butterfly | |
Cockroach | |
Bedbug | |
Mosquito |
Which Of The Following Is Most Toxic?
Urea | |
Trimethylamine Oxide | |
Ammonia | |
Uric Acid |
Which Of The Following Is Most Constant Abiotic Component Of Ecosystem______
Land | |
Gravity | |
Air | |
Water |
Which Of The Following Is Largest Part Of Brain?
Cerebrum | |
Thalamus | |
Medulla Oblongata | |
Cerebellum |
Which Of The Following Is Incorrect For The Lysogenic Cycle In Life Cycle Of Bacteriophage______
The Cycle May Convert Into Lytic Type Resulting From Environmental Exposure | |
Lysogenic Bacteria May Get Infected By The Related Phage | |
Phage When Gets Incorporated With The Bacterial Chromosome Is Called Prophage | |
The Bacterium Continues To Live And Reproduce Normally |
Which Of The Following Is Called Protein Synthesizing Machine?
Nucleus | |
Ribosomes | |
Mitochondria | |
Chromosomes |
Which Of The Following Is Called Black Bread Mold?
Neurospora | |
Penicillium | |
Rhizopus | |
Pilobolus |
Which Of The Following Is A Uni-Nucleated Cell?
A Skeletal Muscle Cell. | |
All Of These | |
A Smooth Muscle Cell. | |
A Cardiac Muscle Cell. |
Which Of The Following Statement About Kingdom Protista Is Incorrect______
They Do Not Develop From Blastula Or Embryo | |
They Only Include Unicellular Aquatic Eukaryotic Organisms | |
They Contain Ancestors For Fungi Plants & Animals | |
Their Members Have Characteristics Which Separate Them From Other Kingdoms |
Which Of The Following Statement About Homeostasis Is Incorrect?
Homeostatic Mechanisms Keep The Internal Environment Fixed Despite Of Wide Changes In External Environment | |
There Is A Definite Control System That Regulates The Homeostatic Activities | |
Because Of This The Fluctuations Of Internal Environment Are Of Extremely Narrow Range As Compared To That Of External Environment | |
All Are Correct |
Which Of The Following Statement About Filicinae A Group Of Tracheophytes Is Incorrect______
They Are Seedless And Their Leaves Are Called Fronds | |
They Belong To Sphenopsida | |
They Live In Shady And Moist Areas. | |
They Show Circinate Vernation. |
Which Of The Following Statement About Fatigue Is Correct?
Ionic Imbalance May Also Cause It. | |
The Major Event In It Is Accumulation Of Lactic Acid. | |
Lactic Acid Accumulation Turns Ph In Acidic Range Leading To Muscle Ache. | |
All Of These |
Which Of The Following Statement About Eiliates In Incorrect______
Diploid Nucleus Being Smaller Is Responsible For Cells Metabolism And Growth While Polyploidy Nucleus Functions In Sexual Process. | |
Contain Mainly Unicellular Organisms. | |
Their Contractile Vacoule Is Respobsible For Water Regulation. | |
They Are Even Capable Of Sexual Reproduction. |
Which Of The Following Statement About Dicots Is Incorrect ______
Vascular Bundles Are Ring Shaped In Their Stems. | |
They Are Both Herbaceous And Woody | |
They Have 4 Or 5 Sepals And Petals Or Their Multiple. | |
They Have Parallel Vein Pattern On Their Leaves |
Which Of The Following Statement About Conifers Is Correct?
Accumulate Waste In Leaves, Which Fall In Autumn. | |
Excrete Some Of The Waste Materials Directly Into Soil, Occasionally Using Them As A Chemical Weapon Against Other Competing Plants. | |
Stored Excretory Products In Vacuoles, At A Concentration That Leads To Crystal Formation. | |
Production Of Black Wood In The Center. |
Which Of The Following Statement About An Arthropod Exoskeleton Is Incorrect?
It Contains Joints, For The Same Purpose As Present In Human Skeletal System | |
It Provides Muscle Attachment | |
It Permits Gaseous Exchange | |
Like All The Other Types Of Exoskeleton, They Lack Sensation |
Which Of The Following Statement About Alternation Of Generation In Bryophytes Is Incorrect?
It Involves Alternation Of Morphologically Different Generations | |
Both The Gametophyte And Sporophytes Are Haploid Generations Thus Can Produce Haploids Gametes To Continue The Diploid Number On Fertilization | |
Spore Formation Occurs Through Meiosis | |
Their Gametophyte Is Independent While Sporophyte Depends Upon Gametophyte For Nutrition. |
Which Of The Following Statement About Aids Is Incorrect:
Is A Host Specific Disease | |
Can Be Prevented. | |
Results In Enlargement Of Lymph Nodes | |
An Infected Mother Cannot Pass The Virus To Her Baby. |
Which Of The Followings Is Missing From The Nervous System Of Planaria______
Lateral Nerves | |
Longitudinal Nerves | |
None Of These | |
Ganglia |
Which Of The Following Secrete Hydrochloric Acid In Stomach?
Goblet | |
Oxyntic | |
Epithelial | |
Mucosa |
Which Of The Followings Are Effectors______
Both ‘A & ‘B | |
Glands | |
Sensory Organs | |
Muscles |
Which Of The Following Represents Osmoregulatory Steps Taken By Hydrophytes?
Small And Thick Leaves To Decrease The Surface Area Proportional To The Volume Of The Leave. | |
None Of These | |
Stomata Closing In Sufficient Supply, And Opening In Restricted Supply Of Water. | |
Increases Transpiration By Increasing The Surface Area Of The Leave. |
Which Of The Following Relationship Is Not An Example Of Symbiosis?
Algae And Fungi In A Lichen | |
Mycorrhizal Fungi And Tree Roots | |
Marchantia Sporophyte And Gametophyte | |
Rhizobium And Leguminous Plants |
Which Of The Following Proteins Have Role In Heredity?
Phospho-Proteins | |
Nucleo-Proteins | |
Lipo-Proteins | |
Chromo-Proteins |
Which Of The Following Promotes Growth In Plants?
Photorespiration | |
None Of These | |
Calvin Cycle | |
Both Of These |