CUET · BIOLOGY · PYQ PAPER 2023
Select the correct statements from the options given below:-
A. Parthenium is an endemic species of India
B. Eicchornia is an invasive alien species in India
C. Lantana is also known as carrot grass
D. African catfish is a threat to indigenous catfish
Choose the correct answer from the options given below:
- A A and C only
- B B and D only
- C B and C only
- D A and D only
Answer & Solution
Correct Answer
(B) B and D only
Step-by-step Solution
Detailed explanation
B and D only
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from BIOLOGY
- Which one of the following step is not involved in the genetic modification of an organism?CUET 2023 Hard
- Identify the set of cells which have haploid number of chromosomes ?CUET 2023 Hard
- Continued self-pollination results in:CUET 2025 Hard
- The first clinical gene therapy was given in 1990 to a 4-year-old girl with ___________ .CUET 2023 Easy
- Match List - I with List - II.
Choose the correct answer from the options given below :List - I List - II (A) Sexually transmitted disease (I) Assisted reproductive technology (B) Intra-uterine devices (II) Detection of genetic disorder (C) In-vitro fertilization (III) Contraception method (D) Amniocentesis (IV) AIDS CUET 2023 Hard - Arrange the various ovarian events occurring during a menstrual cycle in sequence :
(A) Maturation of follicle
(B) Development of primary follicle
(C) Ovulation
(D) Transformation of graafian follicle into corpus luteum
Choose the correct answer from the options given below:CUET 2023 Medium
More PYQs from CUET
- If \(A=\left[\begin{array}{ccc}1 & 2 & 3 \\ -4 & -5 & -6\end{array}\right], \quad B=\left[\begin{array}{cc}2 & -3 \\ 4 & -5 \\ 2 & -1\end{array}\right]\) and \(B A=\left[b_{i j}\right]\), then \(\left(b_{23}-b_{31}\right)\) is equal toCUET 2025 Hard
- Considering the following statements; identify the correct statements:
(A) Scandium is regarded as a transition element, but zinc is not.
(B) \(V_{2}O_{3}\) is amphoteric and \(V_{2}O_{5}\) is basic oxide.
(C) The similar radii of Zr and Hf is a consequence of the lanthanoid contraction.
(D) The oxidation state of chromium in chromate and dichromate ion is same.
Choose the correct answer from the options given below:CUET 2025 Hard - Two wires with resistances \( R_1 \) and \( R_2 \) are stretched n times their original length. After stretching, the two wires are connected in parallel. The equivalent resistance of the combination will be:CUET 2025 Easy
- Answer the question on basis of passage given below :
A ketone \([A]\) which undergoes haloform reaction gives compound \([B]\) on reduction. Compound
\([B]\) on heating with sulphuric acid gives compound \([C]\) which forms monozonide \([D]\). The
compound \([D]\) on hydrolysis in the presence of zinc dust gives compound \([E]\).
Compound \([E]\) on oxidation gives \(C _2 H _4 O _2\) [F]
Compound \([ F ]\left( C _2 H _4 O _2\right)\) on treatment with chlorine, in the presence of small amount of red phosphorus, gives :CUET 2023 Medium - The first restriction endonuclease to be isolated was :CUET 2023 Hard
- Benzene and naphthalene form an ideal solution at room temperature.
The true statements for this solution are :
A. \(\Delta\text{G}\) is positive.
B. \(\Delta\text{S}_{\text{system}}\) is positive.
C. \(\Delta\text{S}_{\text{surroundings}} = 0\).
D. \(\Delta\text{H}_{\text{mix}} = 0\).
E. \(\Delta\text{V}_{\text{mix}} = 0\).
Choose the correct answer from the options given below :CUET 2023 Hard