KMU CAT PAST PAPER 16-11-2023
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
Perichondrium
Prostomium
Perimysium
Periosteum
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Explanation
The periosteum is a fibrous connective tissue membrane that covers the outer surface of most bones, providing blood supply and contributing to bone growth and repair.
Gasses
Lymph
Blood
Alveoli
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Explanation
The bronchioles are small branches of the bronchi , and they eventually end in tiny air sacs called alveoli where gas exchange occurs.
Gasses
Lymph
Blood
All of them
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Explanation
A respiratory surface must have a good supply of blood .
A respiratory surface needs to be thin, permeable, and have a large surface area to efficiently facilitate gas exchange.
However, the crucial aspect is the blood supply.
The proximity of blood capillaries to the respiratory surface allows for the rapid transfer of oxygen from the air to the blood and carbon dioxide from the blood to the air .
فیلم کورڈاٹا کو ____ ذیلی فیلم میں تقسیم کیا گیا ہے؟
Two
Three
Four
Five
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Explanation
Phylum Chordata is divided into three subphyla.
Urochordata (Tunicata) Cephalochordata Vertebrata
سپنج کے جسم میں پانی داخل ہوتا ہے؟
Osculum
Ostia
Madreporite
Spongocoel
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Explanation
Ostia are small pores on the sponge's body that allow water to flow in, leading to the central cavity called the spongocoel.
Calcium oxalate
Calcium carbonate
Sodium carbonate
Silica
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Explanation
The exoskeleton of coelenterates is made of Calcium carbonate.
Coelenterates like corals primarily have exoskeletons composed of calcium carbonate
Thermophile
Halophiles
Both a and b
Methanogen
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Explanation
Halophiles are archaea that thrive in extremely salty environments like the Dead Sea,
So they are the most prevalent type of archaea found there
SARS
FIV
SIV
Mycoplasma
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Explanation
Viruses are microscopic particles that require a host cell to replicate.
Mycoplasma, while small and sometimes considered a pathogen, is a type of bacteria.
Bacteria are capable of independent replication, unlike viruses which need to infect a host cell to reproduce.
Light quality
Light Intensity
Light duration
None of these
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Explanation
Light intensity refers to the amount of light energy reaching a plant's surface per unit time.
This directly impacts the rate of photosynthesis as more light energy available means more ATP and NADPH can be produced, driving the Calvin cycle
Higher light intensity generally leads to increased photosynthetic activity.
NTPs
ATPs
dATP
none of these
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Explanation
Nucleic acids are composed of nucleotides .
NTPs (Nucleoside Triphosphates) are a type of nucleotide.
They consist of a nitrogenous base, a pentose sugar (ribose in RNA or deoxyribose in DNA), and three phosphate groups
Nucleic acids like DNA and RNA are built from chains of these nucleotides.