SciAstra (English)

📚 NEST 2019 PYQ Chemistry

One question. Four statements. Only ONE is correct.
Comment your option (A/B/C/D) 👇

4 hours ago (edited) | [YT] | 18

SciAstra (English)

Do you want to learn the right way to do mock analysis?

The strategy to target AIR 1 is very simple:
👉 Don’t chase numbers, analyze your mistakes ✍️
Human errors = more practice
Conceptual errors = revise theory 📘
Write down every mistake, revise it, and improve in the next mock 🫠

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22 hours ago | [YT] | 48

SciAstra (English)

NEST 2018 Biology PYQ

Phloem vs Xylem transport concept clarity check!
Can you crack the correct combination? 👇

Drop your answer in the comments!

1 day ago | [YT] | 43

SciAstra (English)

Oh Beta ji, It’s Time For a Little Reality Check? 🤐

You don’t solve mock tests, and then later say,
Bhaiya, I don’t even know how much I’ve prepared… 🫡

If you really want better learning and sharper focus,
start solving mocks from today itself.

So what are you waiting for, beta ji?
It’s time to get serious and start studying! 😉

Check Out: www.sciastra.com/courses/test-series

1 day ago | [YT] | 99

SciAstra (English)

NEST 2018 PYQ | Biology 🧬

Dihybrid cross but with a twist! 🤔
Can you figure out the proportion of offspring expressing only one dominant trait?

Drop your answer in the comments 👇

2 days ago (edited) | [YT] | 56

SciAstra (English)

Have you seen Dad’s status? 😐

First, you don’t take mock tests, and on top of that, you keep making excuses like “I’ll do it tomorrow.” 🤐

And then later you say your scores have gone down.
There’s still time listen to your bhaiya and start taking mock tests now!

You’ll get a reality check!

Check it out now:
www.sciastra.com/courses/test-series

2 days ago (edited) | [YT] | 62

SciAstra (English)

(NEST 2018 PYQ, Biology)

In the ABC model of floral organ determination in Arabidopsis, the expression of
class A genes alone determines development of sepals, expression of class A genes
along with class B genes determines petal formation, expression of class B genes
along with class C genes determines formation of stamens and expression of class C genes alone determines carpel formation. Loss of class B gene function would result.

In flowers with whorls in the following order (from outer whorl to inner whorl)

3 days ago | [YT] | 20

SciAstra (English)

CUET (UG) 2026 registrations are LIVE!

Champs! Your journey to India’s top colleges starts with this one step.
This is your first big move towards top universities 🏫

What are you thinking 🤔? Hurry up don’t procrastinate!!!

Register Now: www.sciastra.com/blogs/cuet-du-2026-subject-mappin…

3 days ago (edited) | [YT] | 58

SciAstra (English)

🚨 NEST 2026 Applications are LIVE! 🚨

Applications are now OPEN!
Started on 05 Jan 2026 | 12:00 PM

Your journey to NISER & CEBS starts today let’s go champs! 💪✨

Register now: nestexam.in/

4 days ago | [YT] | 114

SciAstra (English)

What are you doing this Sunday?🤔

4 days ago | [YT] | 11