Special CSS 2023 Past Paper MCQs with Answers for CSS Aspirants Zoology

Welcome to this comprehensive video, Special CSS 2023 Past Paper MCQs with Answers for CSS Aspirants Zoology. If you are a CSS aspirant preparing for the 2023 CSS exam, this video is tailored to help you succeed. We cover the MCQs from the Zoology section of the CSS past paper, with detailed answers and explanations that align with the standards of the FPSC. Zoology is a crucial subject for the CSS exam, and understanding the patterns of past paper MCQs can be extremely beneficial for your preparation.

In this video, you will find MCQs from the 2023 CSS paper, focusing on important concepts, key topics, and frequently asked questions. We provide clear answers and insights into the most relevant topics to guide your study strategy. This resource is perfect for any CSS aspirant who wants to refine their knowledge in Zoology and boost their confidence for the upcoming exam.

By using this video, you will not only familiarize yourself with the format of the CSS MCQs 2023 but also gain essential knowledge to perform well in the Zoology paper. Whether you're revising specific topics or looking for a full overview, this video will help you prepare effectively for the CSS exam. Stay tuned, and don’t forget to subscribe for more Special CSS preparation videos on various subjects!
1. The body of some animals is externally and internally divided into segments, this phenomenon is called as:
(A). Segregation (B). Metamerism (C). Pseudocoelomism
2. In the protozoans, different modes of locomotion are due to presence of different types of locomotory organelles which includes:
(A). Pseudopodia, cilia and flagella (B). Segments and flagella (C). Pseudocoelom and cilia
3. Which of the following animals utilizes a flow of water for crawling over a surface?
(A) Starfish (B) Leech (C) Snake
4. The physiological activity in which protoplasm of the protozoans captures the food in a food vacuole, digests it, discharges the wastes and incorporates the digested materials into their protoplasm is termed as:
(A). Deposit feeding (B). Extracellular Digestion (C). Intracellular Digestion
5. In sea urchin from buccal cavity a slender pharynx runs vertically which is surrounded by a masticatory apparatus, called:
(A). Gizzard (B). Aristotle's lantern (C). Diverticulum (D). None of these
6. The equation “C6H6O6 + O2 →CO2 + H2O + energy” represents:
(A). Aerobic Respiration (B). Anaerobic Respiration (C). Prosbranchia (D). None of these
7. Haemoglobin contain Iron and is carried by red blood cells in blood of vertebrates while in Annelids and Mollusks a copper containing pigment performing similar function is known as:
(A). Pinnaglobin (B). Haemoerythrin (C). Haemocyanin
8. The template strand of a gene being transcribed is CTTGCCAGT. What will be the sequence of the RNA made from this template?
(A). GAACGGUCT (B). GAACTTUCT (C). CGTACGGUCT
9. Herpetology is the scientific study of:
(A) Fish and Birds (B) Amphibians and Reptiles (C) Mammals and Sharks
10. A gene contains 141 codons. How many nucleotides are present in the gene’s coding sequence?
(A). 723 (B). 423 (C). 623
11. Among living organisms, the estimated number of animal species on earth falls in the huge range of 7.77 million, of this number about 3 percent are-----------, while other 97% of the animal kingdom, are:
(A). Vertebrates, Invertebrates (B). Invertebrates, Vertebrates (C). Vertebrates, Parasites
12. Iron containing pigments are:
(A). Haemoerythrin (B). Haemoglobin (C). Both (A) & (B)
13. Both DNA and RNA are composed of nucleotides. ________ molecules combine to form a nucleotide.
(A). AT-CG (B). A sugar, a nitrogenous base, and a phosphate. (C). UAG
14. In ________, the chromosomes are contained within a membrane-bounded structure called the nucleus.
(A). Virotes (B). Prokaryotes (C). Eukaryotes
15. In Human fertilization occurs in the _________of the oviduct (fallopian tube):
(A). Endometrium (B). Ampulla (C). Both (A) & (B)
16. ____________ bring oxygen-rich blood to the fetus from the placenta and closes after birth.
(A). Umbilical vein (B). Umbilical artery (C). Coronary vein
17. ___________ was the first human female to have been born after conception by in vitro fertilisation experiment.
(A). Margret Munro (B). Julia Eckersley (C). Louise Joy Brown
18. A Culture and sensitivity report shows Amoxicillin is sensitive against particular organism. It means:
(A). Infection treatable by the normal dosage of Amoxicillin (B). Infection may respond to higher dosage of Amoxicillin (C). Unlikely to respond to usual dosage of the Amoxicillin
19. __________is the time interval between the entry of infective agent and the onset of clinical manifestations of the disease.
(A). Parturition period (B). Incubation period (C). Recovery period
20. _____________contains all the substances, which are present in the plasma except fibrinogen.
(A). Blood (B). Plasma (C). Serum
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